1. Introduction
Amid the growing uncertainties faced by global cities—ranging from climate change and public health crises to surging challenges in mental well-being—the traditional governance paradigm centered on “emergency response and physical recovery” is becoming increasingly inadequate [
1,
2]. Urban systems are now frequently exposed to non-disastrous, low-intensity but high-frequency stressors such as chronic anxiety, social withdrawal, and latent health risks [
3]. Unlike acute disasters, these pressures manifest subtly in daily life, accumulating over time to erode residents’ mental and physical resilience. This constitutes a “slow variable” risk mechanism [
4], which calls for a shift in urban governance: from post-disaster repair to fostering “everyday resilience”—that is, the capacity of urban space to support emotional regulation, cognitive restoration, and social reintegration in response to persistent environmental micro-stressors [
5,
6,
7].
In this context, urban parks are undergoing a functional redefinition. No longer limited to ecological beautification or recreational amenities, they are increasingly recognized as critical spatial infrastructures that bolster psychological resilience, emotional recovery, and social connectivity for urban residents [
8,
9,
10]. Historically, the social role of parks has evolved in tandem with shifting urban risk structures. In the 19th century, they were designed to mitigate pollution and green space scarcity during industrialization; in the 20th century, they were developed into multifunctional public spaces integrating leisure, culture, and community life. Entering the 21st century—particularly in the post-COVID-19 era—urban parks have emerged as core arenas for addressing chronic psychological stress and social isolation, functioning as crucial carriers of “non-structural resilience” [
11,
12,
13].
While the notion of “urban resilience” has gradually extended to social and psychological domains, many subtle spatial stressors remain systematically overlooked due to their non-disastrous, intangible nature [
14]. In reality, a wide array of factors that impair emotional recovery and social engagement—such as spatial confinement-induced stress, wayfinding ambiguity, thermal discomfort due to lack of shade, or visual signs of spatial decay—constitute what can be termed “micro-risks” [
15,
16]. These elements may not immediately trigger discomfort, but repeated exposure accumulates psychological burdens that compromise users’ sense of safety, trust, and belonging [
17]. Compared with catastrophic events, these slow-accumulating, non-disruptive risks are more insidious yet prevalent in everyday park experiences. Their subtle and subjective nature makes them difficult to capture using traditional “hard” indicators, resulting in their exclusion from current evaluation systems and spatial policy designs. To address this blind spot, it is necessary to introduce the lens of “perceptual erosion under everyday scenarios” into resilience theory, thereby filling the conceptual and operational gap in daily spatial adaptability [
18,
19,
20].
Most current research on public space behavior still adopts a linear “perception → behavior” model, wherein variables like safety perception, aesthetic satisfaction, or restorative potential are treated as one-way predictors of spatial behavior (e.g., dwell time, revisit intentions, or social participation) [
21]. However, in real-world environments, user behavior is rarely a passive response to perception. Instead, it involves recursive loops of experience, evaluation, and re-experience [
22]. A single negative encounter, for instance, may cause prolonged vigilance, undermining trust even in well-designed spaces [
23]. This “perception–behavior–reperception” loop more accurately reflects the experiential logic of spatial use. Although recent urban resilience research has increasingly emphasized the integration of public perception, most existing evaluation models remain grounded in incomplete or overly linear cognitive mechanisms. For instance, some studies focus solely on climate change adaptation or are confined to physical and social dimensions shaped by institutional contexts [
1,
19,
24]. Others merely examine linear associations between environmental attributes and psychological responses, overlooking the dynamic complexity of perception feedback mechanisms [
22,
25,
26]. Still, a number of models remain anchored in static frameworks that rely on unidirectional “perception–satisfaction” pathways [
5,
8]. Even among studies attempting to develop more comprehensive evaluation systems, commonly employed methods such as structural equation modeling (PLS-SEM), Analytic Hierarchy Process (AHP), or intuition-based scoring approaches have largely failed to uncover the internal dependency structures and feedback paths among perception indicators [
17,
18,
27].
To address these theoretical and empirical gaps—including micro-risk invisibility, perception–behavior feedback deficiencies, and group-level variability—this study proposes an integrated multi-criteria decision-making (MADM) framework that synthesizes the Fuzzy Delphi Method (FDM), DEMATEL-based Analytic Network Process (DANP), and the VIKOR compromise ranking method [
25,
27]. This hybrid model incorporates both expert knowledge and public preference, enabling dynamic modeling of feedback loops, trade-off behaviors, and perceptual conflicts. The result is a structural perceptual–behavioral coupling framework for evaluating urban park perceptual resilience. Specifically, FDM is used to consolidate expert opinions and extract 17 core indicators across dimensions such as restorative potential, safety, and social accessibility [
27]; DANP uncovers causal pathways and hierarchical dependencies among indicators, yielding a perceptual network embedded with feedback mechanisms [
28,
29]; and VIKOR introduces a multi-group perspective to simulate public trade-offs among competing goals (e.g., safety, comfort, and sociability), identifying dynamic equilibria between maximum group satisfaction and minimum individual regret [
25].
Based on this foundation, the present study addresses the following three research questions:
- (1)
Under the lens of micro-risks, which factors significantly influence residents’ perceptual resilience in urban parks, and what causal feedback relationships exist among them?
- (2)
Do users exhibit cognitive conflicts or preference differences across perceptual dimensions? Are their behavioral choices shaped by compromise-seeking strategies?
- (3)
How can we construct an integrated evaluation model that reflects both causal feedback and user preference heterogeneity to optimize urban park perceptual resilience?
The remainder of this paper is organized as follows:
Section 2 reviews the theoretical evolution of urban resilience, environmental perception, and MCDM evaluation models.
Section 3 outlines the case study sites, data collection strategies, and hybrid modeling procedures.
Section 4 presents empirical findings and model outputs.
Section 5 discusses key causal drivers, preference trade-offs, and proposes cognitively friendly spatial design strategies.
Section 6 summarizes the research contributions, outlines limitations, and offers directions for future work.
3. Case Context and the Modeling Process of the Hybrid MADM Approach
To address the multidimensional evaluation requirements of the complex perception system in urban parks, this study constructs a hybrid MADM modeling approach, incorporating FDM, DANP, and VIKOR, to support the assessment of perceived resilience and strategy optimization. As shown in
Figure 1, the modeling process consists of three stages: first, FDM is used to extract representative perceived resilience indicators; second, DANP identifies the causal relationships and weight structures between dimensions and indicators; third, the VIKOR model is applied to simulate the comprehensive ranking logic under multi-group preference conflicts.
3.1. Indicator System Construction and Fuzzy Delphi Method
This study, based on the theoretical frameworks of “restorative environments” in environmental psychology [
31,
58], urban resilience theory [
59], environmental safety perception models [
60], and the perspective of social ecology [
61], systematically reviews the existing literature on urban space adaptability and public perception–feedback mechanisms. The research identifies and refines five primary dimensions: resilience, safety, sociability, controllability, and adaptability. This theoretical framework aims to integrate micro-risk identification, perception feedback, and behavioral regulation processes in urban park use at multiple scales and through various pathways, constructing a perception-based evaluation foundation for the “everyday resilience” of urban parks.
Guided by this theoretical framework, a scientifically valid, effective, and operational secondary indicator system is constructed, serving as a key component of the model development. Given the challenges in existing studies, such as a large number of perception evaluation indicators, overlapping definitions, and difficulties in practical implementation [
25,
62], the FDM is introduced to integrate expert consensus, select core factors, and enhance the focus and applicability of the indicator system.
Table 1 presents the perception resilience evaluation indicator system for the five dimensions, along with their primary sources in the literature.
FDM is a qualitative–quantitative hybrid approach that integrates expert knowledge and fuzzy logic, suitable for subjective perception, multi-factor evaluation, and scenarios involving cognitive uncertainty. The basic logic of FDM involves collecting expert opinions through multiple rounds, constructing indicator interval scores using fuzzy triangular numbers, and using the “gray zone verification method” to determine the degree of expert consensus, thus identifying whether to retain each indicator [
63].
This study implements the following steps in the FDM process:
- (1)
Expert questionnaire design and distribution: Based on a systematic literature review and interviews with five senior experts, a preliminary resilience assessment indicator system is developed, including five primary dimensions and 23 secondary indicators. Subsequently, 15 experts from fields such as urban planning, architecture, and social space are invited to rate the importance of each indicator using a Likert five-point scale.
- (2)
Triangular fuzzy number calculation: The conservative value, optimistic value, and single value for each indicator are collected from experts. Triangular fuzzy score functions are constructed for each indicator, and the geometric mean and bounds are calculated.
- (3)
Extreme value removal and gray zone verification: Extreme values exceeding two standard deviations are removed, and the gray zone verification method is used to assess the consistency of expert scores. If the gray zone value is positive, expert opinions are consistent; if negative, the scoring process is re-conducted or the indicator is discarded.
- (4)
Consensus value calculation and threshold setting: The consensus value “Gi” and consensus difference “Mi − Zi” for each indicator are calculated. Core indicators are retained if their consensus value is above the average threshold, while those with insufficient consensus are excluded.
Table 1.
Perceived resilience indicators and their literature source.
Table 1.
Perceived resilience indicators and their literature source.
Dimension | Indicators | Description | References |
---|
Resilience—the park’s ability to support psychological restoration and reduce cumulative stress from daily urban environments. It focuses on elements such as calmness, green views, and sensory relief that help users recover mentally. This dimension is most relevant under chronic, low-level stress conditions like urban fatigue. | Environmental Psychological Restorativeness | Whether the space can relieve stress and promote psychological restoration. | [64,65] |
Emotional Comfort | Whether the space has relaxing lighting, colors, and textures. | [65,66] |
Spatial Quietness | Whether the space is quiet and free from traffic or crowd noise. | [67] |
Green Space Visibility | Whether there are visible green plants and open landscapes. | [68] |
Spatial Openness | Whether there is enough open space without spatial oppression. | [69,70] |
Safety—the perceived sense of physical and emotional protection within the park. It is shaped by spatial visibility, lighting, and social cues that reduce fear and anxiety. Unlike resilience, safety addresses perceived risk rather than stress recovery. | Suitability of Nighttime Lighting | Whether lighting is appropriate and not fear-inducing at night. | [71,72] |
Accessibility for Emergency Evacuation | Whether there are emergency escape routes and shelters. | [73] |
Clarity of Spatial Boundaries | Whether the functional boundaries and usage of space are clearly defined. | [69,70] |
Sociability—the capacity of a park to support social interaction, group presence, and community inclusion. It emphasizes social affordances like shared spaces, diverse activity zones, and welcoming design. While safety reduces threat, sociability fosters positive connection. | Availability of Stay Space | Whether the space provides seating facilities such as benches and tables that support prolonged stay and encourage social interaction. | [74,75,76] |
Design for Social Interaction | Whether the space encourages communication between strangers and has interaction nodes. | [75,76] |
Perceived Neighborhood Interaction Atmosphere | Whether the space conveys a vibrant, inclusive, and socially engaging atmosphere that encourages users to perceive active neighborhood presence and informal social interactions. | [76] |
Inclusiveness for Diverse Groups | Whether people of different identities or age groups can share the space. | [77,78] |
Perceived Social Safety | Whether there is a sense of safety during social interactions. | [79] |
Controllability—the degree to which users feel they can navigate and regulate their experience within the park. It depends on clear layout, signage, and flexible spatial settings that enable autonomy. This dimension centers on personal agency rather than interaction or recovery. | Freedom of Path Choice | Whether users have the freedom to choose among multiple walking routes and avoid congested areas. | [80] |
Transparency of Spatial Rules | Whether the management rules and usage boundaries of the space are publicly available. | [81] |
Clarity of Signage System | helps users find directions and exits. | [82,83] |
Visual Permeability | Whether there are no blind spots and clear, visible spatial interfaces. | [84] |
Adaptability—the flexibility of the park to accommodate different users, time periods, and unexpected situations. It includes features like multifunctional infrastructure, movable elements, and climate responsiveness. Adaptability operates at the system level, enabling resilience and usability over time. | Functional Diversity | Whether the space supports diverse functions such as recreation and fitness. | [85,86] |
Microclimate Adaptability | Whether the space provides mechanisms for shade, ventilation, and rain protection. | [87,88] |
Flexibility of Use | Whether the space layout can be flexibly adjusted according to activity needs. | [89,90] |
Ease of Maintenance and Renewal | Whether facilities can be repaired, replaced, or updated quickly. | [91,92] |
Pandemic Adaptability | Whether the space supports social distancing, ventilation, and crowd dispersal. | [93] |
Crowd Tolerance Capacity | Whether the space remains orderly and comfortable under high foot traffic. | [94] |
To further refine the representative perceived resilience indicators, the FDM was applied to analyze expert consensus on the initially constructed secondary indicator system. The results show that most of the indicators achieved a high level of consistency, with consensus values (Gi) ranging between 6.5 and 7.7, indicating strong agreement among experts on the proposed indicator system. Among them, “Functional Diversity” (C1, Gi = 7.707), “Environmental Psychological Restorativeness” (C2, Gi = 7.574), and “Perceived Neighborhood Interaction Atmosphere” (C3, Gi = 7.559) ranked the highest, reflecting experts’ consensus that multi-functional adaptability, psychological recovery, and enhanced community interaction are key factors in improving perceived resilience in public spaces.
At the same time, some indicators, such as “Spatial Quietness” (C7, Gi = 7.118) and “Flexibility of Use” (C13, Gi = 6.768), were considered important, but there was some disagreement among experts, indicating that their significance may vary depending on specific contexts and professional backgrounds. For example, “Flexibility of Use” exhibited a negative consensus difference (Mi − Zi = –1.425), suggesting relatively low support among certain expert groups, and requiring further validation in subsequent empirical studies.
To determine which indicators to retain, we adopted a slope-based thresholding approach rather than using a fixed cut-off value. Specifically, the consensus values of the 23 indicators were ranked in descending order and plotted as a slope curve (
Figure 2). The first and steepest drop in the curve—representing the largest decline in consensus between adjacent indicators—was identified as the empirical threshold. This inflection point is marked in red in
Figure 2. Indicators above this point were retained, while those below were excluded.
Based on the consensus value ranking and expert evaluation, 17 indicators were finally selected for inclusion in the subsequent DANP-VIKOR modeling process, supporting the construction of the causal network structure and multi-objective preference ranking analysis.
Table 2 presents the FDM analysis results for each secondary indicator in this study, including their conservative values, optimistic values, geometric means, consensus differences, and final consensus values. Additionally, to visually present the consensus level of indicators and the selection logic, a slope chart (see
Figure 2) was created to display the ranking trend of consensus values and the FDM retention threshold.
3.2. DEMATEL-ANP Method
To reveal the interdependencies among the evaluation dimensions and their subordinate indicators, and to overcome the theoretical assumptions of criterion independence in traditional ANP methods, this study introduces the Decision-Making Trial and Evaluation Laboratory (DEMATEL) method to construct a causal influence matrix, combining it with the Analytic Network Process (ANP) to form the DANP integrated model. This approach identifies the inter-influence paths among multidimensional factors within the system, enhancing the alignment of weight distribution with the real cognitive structure, and compensating for the limitations of traditional linear weighted models in handling factor coupling and feedback mechanisms [
95].
3.2.1. Expert Questionnaire
To support the systematic judgment of causal paths between indicators in the construction of the hybrid MADM model, a Chinese expert questionnaire was designed to collect the necessary data for analyzing causal relationships. The structure of this questionnaire was based on previous studies [
27,
28] and the 17 key indicators of perceived resilience proposed in this study. A five-point scale with equal intervals (0 = no influence, 4 = very strong influence) was used to score the degree of influence between pairs of indicators.
Considering that the DANP method focuses on “expert depth” rather than “sample breadth,” it is suggested that the number of experts be reasonably controlled between 5 and 15 [
96]. Therefore, the research team invited 10 experts from urban planning, architecture, sociology, and related fields to participate in the survey via email and phone. A total of 8 valid responses were received. Before distributing the questionnaire, the research team provided a guide to ensure that experts completed the scoring under a unified understanding.
All participating experts hold a master’s degree or higher, with half having a doctoral degree. They each have more than five years of professional experience in urban design, spatial governance, environmental psychology, and related fields. The experts have a clear understanding of the conceptual system of perceived resilience assessment and are familiar with the “resilience–adaptability” dual design concept in urban spaces. Expert information is provided in
Table 3.
In addition, a consistency validation was conducted based on expert feedback. The results showed a consensus rate of 95.45%, with an average consensus gap of 4.55%, which is below the 5% threshold. This indicates a high level of agreement among the experts and confirms the reliability of the data for proceeding to the second-stage modeling process.
3.2.2. DEMATEL-Based Interdependency Analysis
The Decision-Making Trial and Evaluation Laboratory (DEMATEL) method was originally developed by the Battelle Memorial Institute of Geneva under the United Nations system in 1972, aimed at analyzing complex systems characterized by multiple interacting factors [
95]. This approach quantitatively reveals causal mechanisms and dynamic feedback structures by assessing the influence paths and interdependencies among system components. One of its core outputs, the Influential Network Relation Map (INRM), has been widely applied in fields such as sustainable development, urban governance, and multi-criteria decision making to identify critical factors and support strategic planning [
97].
In this study, DEMATEL was employed to uncover the interrelationships among the dimensions in the perceived resilience evaluation framework, with a particular focus on the coupling logic among core dimensions such as restorativeness, safety, and sociability. By constructing a dimension-level causal influence map (INRM), the study clarifies both the strength and directionality of influence between dimensions. This not only provides the causal basis for structural weight assignment in the subsequent integrated DEMATEL–ANP model but also lays the groundwork for informed optimization strategies in urban public space design and perceptual regulation.
The modeling process proceeds as follows:
Expert pairwise ratings were aggregated to construct the initial direct-relation matrix
, representing the influence strength among each pair of dimensions.
According to Equation (2), the original direct influence data were normalized to obtain the standardized matrix, which satisfies the following structural conditions: the main diagonal elements are zero, and the maximum sum of each row or column is equal to 1.
The matrix
is expanded using a power series, and by summing under the condition of h → ∞, the resulting matrix
represents the total influence exerted by each factor within the evaluation system.
The analytical process among the dimensions is largely consistent with the aforementioned procedures applied at the criterion level, through which the total influence relation matrix at the dimensional level can be derived accordingly.
Subsequently, according to Equations (5) and (6), the row sums and column sums of the total influence matrix are calculated to obtain the row vector Ri and column vector Si, respectively. The value of Ri represents the total (both direct and indirect) influence that a given dimension or indicator exerts on other components within the system, reflecting its “influencing capacity” or “output strength.” Conversely, the value of Si captures the extent to which a particular factor is affected by others, indicating its “receptive attribute” or “input strength.”
Furthermore, the value of Ri + Si represents the overall degree of interaction or prominence of a factor within the system, serving as a proxy for its centrality in the network structure. In contrast, Ri − Si is used to determine the causal role of a factor; a positive value indicates that the factor primarily exerts influence (a “cause” factor), whereas a negative value suggests it is predominantly influenced by others (an “effect” factor).
Finally, based on the computed values of
Ri +
Si and
Ri −
Si, an INRM is constructed to visualize the causal pathways and interrelationships among the dimensions or indicators.
3.2.3. Derivation of Evaluation Weights Based on the DANP Method
After clarifying the interdependencies among the dimensions and indicators within the evaluation framework, the next step involves embedding these causal relationships into the computation of relative weights. While the traditional ANP improves upon the AHP by allowing interdependence among criteria, it still relies on a predefined network structure and often assumes uniform influence across clusters—typically by assigning normalized column values equally based on the number of clusters. This assumption implicitly treats all dimensions as equally influential, which is rarely realistic in complex social-ecological systems [
25].
To address this limitation, the DANP method integrates causal path information obtained from the DEMATEL technique into the ANP framework. Specifically, the DANP method utilizes the total influence matrix among dimensions and the normalized influence matrices among indicators within each dimension, both derived from the DEMATEL procedure, to construct the weighted supermatrix that more accurately captures real-world interdependencies. This mechanism avoids arbitrary assumptions and empirically verifies the inter-criteria relationships based on expert judgments [
98].
As a result, the DANP model not only retains the logical foundation of ANP but also enhances its explanatory capacity in dealing with complex feedback structures. It captures the interactive and evolving characteristics among resilience-related indicators, allowing the derived weights to represent not just static importance, but also dynamic influence pathways. This feature is particularly valuable in perception-based evaluations, where psychological trade-offs and perception feedback loops are critical to understanding user behavior.
In this study, the DANP method is employed to calculate the structural weights of both primary dimensions and secondary indicators, thereby identifying the critical factors that influence perceived resilience in urban parks. The specific modeling procedure is as follows:
First, the total influence relation matrix obtained from the DEMATEL analysis is normalized to produce the standardized influence matrix
:
is computed as follows:
Similarly, the total influence relation matrix of the dimension layer (
TD) is also normalized, yielding the normalized total influence relation matrix denoted as
:
is computed using the following formula:
By transposing
, the unweighted supermatrix
is obtained. Subsequently,
is multiplied by W to derive the weighted supermatrix
:
The DANP weights are computed by raising the weighted supermatrix to sufficiently large powers until convergence is achieved, resulting in a stable structure from which the global priority vector is extracted: w = (w1, w2, …, wn). The values of w fall within the range [0, 1], representing the overall influence intensity of each indicator.
3.3. Public Preference Ranking and Compromise Analysis: The VIKOR Method
To further evaluate whether a given urban park in Guangzhou has achieved spatial sustainability under the lens of perceived resilience, this study introduces an improved version of the VIKOR method, building upon the structural weights obtained through the DANP model. The conventional VIKOR approach typically adopts “1” as the positive ideal solution and “0” as the negative ideal, and is primarily designed for ranking and selecting among multiple alternatives. However, it is not well suited for performance assessment of a single case. More importantly, the traditional method is often interpreted as identifying a “relatively optimal” solution among several suboptimal options, offering limited guidance for proposing concrete improvement strategies for a specific object [
96].
To address this limitation, refs. [
99,
100] proposed a modified VIKOR method based on Simon’s (1978) “aspiration–worst” theory, which expands its application to single-case evaluations and enables the identification of performance gaps across multiple indicators.
A key feature of the modified VIKOR method is the introduction of an “aspiration level” framework, where a score of 10 represents the ideal state and 0 denotes the worst-case scenario. This allows for performance evaluation without requiring multiple comparative alternatives. Moreover, the method quantifies the “performance gaps” across different dimensions, providing empirical support for strategic adjustments and spatial optimization.
Accordingly, this study employs the improved VIKOR model to construct a multidimensional gap diagnosis framework for perceived resilience in urban parks. Three cases—Haizhu Wetland Park, Tianhe Park, and Huacheng Square—are selected for empirical analysis. The modeling procedure is as follows:
First, the gap between each case and its aspiration level is calculated, based primarily on two indicators:
- (1)
The weighted mean gap value , which reflects the overall degree of deviation from the expected performance level;
- (2)
The maximum individual gap value , which identifies the most underperforming aspect of the case.
This diagnostic process is instrumental in pinpointing key performance shortcomings and provides empirical support for subsequent optimization strategies.
Here, denotes the number of evaluated alternatives. and represent the ideal (aspiration) level (set to 10) and the worst-case level (set to 0), respectively. The subscript refers to the set of 17 proposed evaluation criteria, and denotes the weights obtained from the DANP method.
To obtain an optimal compromise solution, the parameter
is introduced as a critical coefficient that balances “maximum group utility” and “minimum individual regret.” Based on this, the aggregated resilience performance value
for each urban park is calculated as follows:
In this study, the
and
principles are adopted. For the former, the normalization is set as
(i.e.,
) and
(i.e.,
); for the latter, the setting is
(i.e.,
) and
(i.e.,
). Accordingly, Equation (15) is reformulated as follows:
By integrating the weights derived from the DANP model with the improved VIKOR method, this study aims to identify and minimize both the overall and dimension-specific average performance gaps—also conceptualized as “perceptual regrets.” Furthermore, by leveraging the INRM constructed through the DEMATEL method, the analysis clarifies the priority paths for improvement.
The core emphasis lies in how to systematically identify key bottleneck dimensions based on the causal structure revealed by the INRM and to formulate targeted optimization strategies that enhance the perceived resilience of urban parks toward the aspiration level.
3.4. Case Background and Selection Rationale
To validate the applicability and explanatory power of the multidimensional evaluation model of perceived resilience in urban parks, this study selects three representative public spaces in Guangzhou as empirical cases: Haizhu Wetland Park, Tianhe Park, and Huacheng Square (see
Figure 3). These parks differ significantly in terms of spatial characteristics, functional positioning, and usage frequency, respectively representing ecological, neighborhood, and central urban park types. Their diversity provides a robust basis for comparison and complementary analysis, offering a comprehensive reflection of perceived resilience across different urban contexts.
In this study, “perceived experience” is specifically defined as perceived resilience, which is operationalized through five key perceptual dimensions—resilience, safety, sociability, controllability, and adaptability—and 17 validated indicators derived from environmental psychology, social ecology, and spatial governance theory. Among them, dimensions such as safety, controllability, and adaptability are particularly sensitive to user density and crowd-related stressors, as they capture public perceptions of environmental pressure, spatial legibility, and systemic flexibility under real-use conditions. Although the three cases differ in spatial form and population dynamics, a unified questionnaire and evaluation framework was applied across all sites. Importantly, each site was analyzed independently using a modified VIKOR method, which compares the actual performance of each park with an ideal reference level, rather than assuming comparability among parks.
- (1)
Haizhu Wetland Park: Resilience Challenges in Ecological Spaces
As the largest urban wetland in Guangzhou, Haizhu Wetland Park typologically represents an ecological park model characterized by natural integrity and biodiversity. Its functions center on ecological restoration, microclimate buffering, and environmental education, making it a benchmark for nature-oriented public spaces. However, the park faces clear vulnerabilities under stress conditions. Its low-lying terrain and insufficient drainage lead to frequent waterlogging, often forcing boardwalk closures and restricting access. The spatial layout is fragmented, with narrow winding paths, limited evacuation nodes, and poor circulation continuity, reducing its adaptability in extreme weather. Management prioritizes ecological conservation over spatial usability, which, while beneficial for biodiversity, limits interventions to enhance flexibility or accessibility. This trade-off highlights the resilience challenges faced by ecologically-driven public spaces under growing urban risk conditions.
- (2)
Tianhe Park: Adaptability Demands in Neighborhood Spaces
Located in the dense Tianhe CBD, Tianhe Park functions as a high-use neighborhood park supporting daily recreation, fitness, and social interaction. It typifies multifunctional spaces operating under sustained pressure from diverse user needs. The park is exposed to spatial stressors such as congestion, user conflict, and zoning ambiguity. Clashes between quiet leisure users and active groups like square dancers are frequent, exacerbated by the lack of clear signage or designated activity zones. Additionally, repetitive vegetation and limited shelters reduce adaptability to changing weather or time-of-day conditions. Its fragmented governance—shared by local committees, service contractors, and sanitation units—leads to inconsistent maintenance and delayed spatial responses. This case underscores how spatial adaptability is shaped by user intensity and decentralized management.
- (3)
Huacheng Square: Controllability Issues in Central Urban Spaces
Huacheng Square exemplifies a multifunctional central plaza, integrating administrative, cultural, and commercial activities at the heart of Guangzhou. Its open form and symbolic prominence offer strong accessibility and visibility. Yet, the square experiences frequent disruptions from large-scale events requiring temporary installations, fences, and rerouting, which compromise spatial legibility and circulation. Nighttime safety is also a concern due to poor lighting near fountain zones and vegetation clusters. Its governance involves multiple overlapping authorities, often prioritizing image and security over user experience. This complexity makes Huacheng Square a critical case for examining how controllability is constrained by both functional overload and fragmented oversight.
3.5. Survey Design and Data Collection
To operationalize the evaluation framework developed through the FDM–DEMATEL–ANP model, we designed a structured questionnaire based on the finalized indicator system, which comprises five perceptual dimensions—resilience, sociability, safety, controllability, and adaptability—and 17 refined indicators (see
Table 2). Each indicator was translated into a perception-oriented question using a 5-point Likert scale, enabling the quantification of users’ subjective evaluation across spatial and psychological dimensions.
The on-site survey was conducted during daytime hours over a two-week period in March–April 2025, covering both weekdays and weekends to account for variation in user profiles and spatial usage. A random intercept sampling method was employed at each park entrance and major activity node. Visitors aged 16 and above who had spent at least 15 min in the park were invited to participate. Investigators briefly explained the study purpose and obtained informed consent before administering the questionnaire.
A total of 512 valid responses were collected, distributed across the three sites as follows: Haizhu Wetland Park (168 responses), Tianhe Park (169 responses), and Huacheng Square (175 responses). These data served as input for the subsequent VIKOR analysis, which evaluates the extent to which each urban park aligns with user expectations under the multidimensional framework.
5. Results and Discussion
5.1. Key Dimensions and Causal Drivers
This study, through the integrated application of the FDM–DEMATEL–DANP method, systematically identified the causal relationships, influence weights, and pathway dominance among five primary dimensions and 17 indicators within the “Perceived Resilience–Spatial Adaptability” framework for public spaces. According to the structural identification results from DEMATEL and the INRM network, resilience and adaptability exhibit significant causal driving characteristics, both positioned at the “Cause” end of the network. This suggests that restorative experiences and environmental adaptability are not only key triggers of subjective public perception, but also source variables that drive perceptual changes in other dimensions such as safety, sociability, and controllability. Notably, in the resilience dimension, E1 and E2 exhibit strong external influence (Ri − Si = 0.221 and 0.080, respectively), indicating their role as cognitive anchors. In the adaptability dimension, E6 and E7 constitute the perceptual adaptation foundation for spatial environments, laying the groundwork for higher-level perceptions.
It is worth noting that although sociability and controllability rank at a moderate level in DANP weights, they are located at the “Effect” end in the Ri − Si analysis (−0.216 and −0.201, respectively), meaning they are more susceptible to changes in other dimensions and serve as passive response indicators. This structural distribution implies that merely enhancing E17 or E12 may yield a limited effect. Systematic improvement must start from the causal variables of resilience and adaptability to trigger chain reactions throughout the entire perceptual system.
From the perspective of DANP global weights, resilience holds the highest overall weight (0.216), indicating that the public places the greatest emphasis on the psychological and emotional restorative capacity of spaces when evaluating perceived resilience—especially under high-stress, fast-paced urban contexts. Adaptability (0.199) and safety (0.198) follow closely, suggesting that environmental flexibility and safety trust together form the “functional foundation” of perceived resilience. In contrast, controllability (0.177) and sociability (0.164), while structurally important, primarily serve as indirect effectors rather than core drivers.
At the indicator level, integrating DANP weights and Ri − Si values identifies several critical causal factors. E1 not only demonstrates the strongest causal influence but also ranks high in perceived performance (1.009), confirming its dual importance as both a system core and user priority—hence a key entry point for enhancing perceived resilience. Additionally, E6 and E11 represent essential elements for spatial adaptability and control, with strong system-adjustment potential. Within the safety dimension, E13 and E14, though moderate in weight, show weak causal roles in the DEMATEL structure and offer tactical adjustability.
Of note, E9 and E4, though not core causal factors, display relatively large gap values in public perception (0.121 and 0.105, respectively), revealing perceptual shortcomings that deserve attention as “secondary optimization targets” in spatial renovation strategies.
Compared with existing studies, the findings of this research extend the structural perspective on perceived resilience. The traditional literature often emphasizes safety and sociability as key predictors of public space satisfaction. For instance, some studies highlight the decisive role of spatial safety in user perception and satisfaction—especially in high-frequency, open street spaces [
101]. Likewise, in peri-urban and high-density contexts, the social functions of public space significantly impact users’ sense of belonging, satisfaction, and behavioral patterns [
102]. This study, however, reveals through DEMATEL and the INRM network that resilience–adaptability are the true origin dimensions of perception structure. This aligns with the emerging trend of “restorative urbanism” in urban mental health research [
103], and echoes SDG 11.7’s call for cognitively friendly urban spaces.
Practically speaking, urban planners and decision-makers should prioritize the enhancement of resilience and adaptability dimensions when optimizing public spaces. Specifically, emphasis should be placed on improving visual permeability, microclimate comfort, spatial flexibility, and restorative features—thereby systematically enhancing the perception of passive dimensions like controllability and sociability. Special attention should also be given to the causal chain among E11, safety trust, and E17, facilitating a shift from “accessible” to “trustworthy” and “belonging” spaces.
In conclusion, through the integration of causal network analysis and structural weight judgment, this study identifies resilience and adaptability as source variables of perceived resilience, and designates E1, E6, and E11 as key indicators for prioritized optimization—thus providing actionable theoretical support and empirical basis for the construction and intervention of public space perception systems.
5.2. Multidimensional Path Optimization and Strategic Combination
Based on the results of the integrated DANP–VIKOR model, this study identified not only the causal relationships and influence structures among key dimensions and indicators, but also revealed performance shortfalls in the system—offering a clear prioritization logic and actionable intervention roadmap for enhancing the perceived resilience of public spaces. To systematically improve multidimensional perception, interventions must be grounded in causal nodes and guided by performance gap analysis.
Within the INRM network, the dimensions resilience and adaptability are driven by the representative indicators E1 (Ri − Si = 0.221) and E6 (Ri − Si = 0.132), respectively. These indicators exhibit high causal strength and high subjective performance (performance = 1.009 and 0.942), forming a cluster of “high-weight—high-cause—high-performance” variables and warranting top priority in optimization.
In contrast, indicators such as E9 (Ri − Si = −0.147, Gap = 0.121) and E3 (Ri − Si = −0.123, Gap = 0.105), though less causally influential, show substantial perceptual gaps and are thus recommended as “secondary optimization targets” through lightweight interventions.
Four critical optimization paths are outlined as follows:
Path 1: From E1 → E3 → E17
This pathway represents the transmission from psychological restoration to spatial tranquility and finally to social trust (i.e., perceived social safety). Interventions should focus on enhancing restorative and tranquil environments using features like water elements, meditation platforms, and noise-buffering vegetation.
Path 2: From E6 → E8 → E13
This path illustrates the structural logic of “flexibility–order–controllability” under adaptability. Strategies should include modular spatial layouts, movable furniture, and flexible zoning to improve perceived order and predictability.
Path 3: From E12 → E16 → E15 → E17
This visual-cognition-driven trust mechanism highlights the importance of visual accessibility and lighting quality in cultivating a secure and controllable social environment. Enhancements should include unobstructed sightlines, layered lighting systems, and clear boundary articulation.
Path 4: From E7 → E2 → E18
This path suggests that local microclimate regulation indirectly influences social behavior by improving emotional comfort. Recommended strategies include permeable pavements, shading pergolas, and adjustable ventilation corridors.
Although indicators such as E9 and E3 are less central in the causal network, their noticeable perception gaps suggest they should be addressed through micro-renovation measures such as minor repairs, landscape cleaning, or greenery supplementation.
The proposed “restoration–transparency–adaptability” tri-core optimization strategy echoes the perceptual resilience paradigm in [
42,
104] and structurally extends the perception–satisfaction causal framework established by [
105]. By integrating structural weights, causal pathways, and perceptual gaps, this study provides a clear, operable model for resilience-oriented intervention in public space design.
Beyond the specific context of urban parks, the modified VIKOR model based on aspiration–worst thresholds, as adopted in this study, is designed to support single-case evaluations rather than comparative rankings. This extension of VIKOR is particularly suitable for public spaces where the goal is to diagnose performance shortfalls relative to user expectations across multiple perceptual dimensions, rather than to select from among competing alternatives. As such, the model is applicable to a wide range of urban public spaces—including multifunctional plazas, transit station forecourts, informal green spaces, and school campuses—where diverse psychological and social demands converge. The model remains valid under the following conditions: (1) user expectations and spatial outcomes can be meaningfully mapped to indicator-level scores; (2) aspiration and worst-case thresholds can be reasonably calibrated through normative standards or participatory stakeholder input; and (3) the evaluation objective is to identify dimension-specific performance gaps and optimize perceptual alignment, rather than determine a best option. These features make the modified VIKOR framework a valuable diagnostic tool for perception-centered spatial governance beyond the park typology.
6. Conclusions and Policy Implications
This study aimed to develop a mechanism-oriented evaluation framework to assess the perceived resilience of urban parks by integrating user feedback, spatial attributes, and expert-informed causal logic. By embedding a perception–behavior–reperception loop into a hybrid FDM–DEMATEL–ANP–VIKOR model, the framework captures not only the relative importance of resilience factors but also their interdependencies and preference gaps across user groups. The results demonstrate that the proposed model successfully identifies latent spatial dissonances and prioritizes context-sensitive interventions. Therefore, the original research purpose—to develop an adaptive, perception-driven tool for evaluating urban park resilience under micro-risk scenarios—has been effectively achieved.
Compared with traditional MADM-based resilience models that typically rely on fixed indicator weights or one-directional satisfaction assessments, our approach introduces a feedback-sensitive structure. It uses causal mapping (DEMATEL) to construct dimension-level total influence matrices and weighted supermatrices (via DANP), thereby avoiding equal-weight assumptions and better reflecting perceptual interdependencies. The integration with VIKOR further allows the identification of systemic preference dissonances between user expectations and perceived delivery, which cannot be revealed through simple performance ranking. This diagnostic capacity makes the framework particularly suitable for real-world urban settings where perception, behavior, and space interact dynamically.
Empirical findings from three representative urban parks in Guangzhou show that perception gaps vary significantly across park types and dimensions. For instance, indicators under the controllability and safety dimensions revealed larger Total Gap values in high-density civic spaces, while issues related to restorativeness were more critical in ecological parks. This reinforces the argument that resilience is not a static or universal trait but is typologically and perceptually contingent. Furthermore, the identification of four strategic optimization paths highlights how different spatial qualities—such as shaded rest areas, noise-buffering edges, or legible circulation—can address perceptual mismatches with relatively targeted interventions.
To enhance translational utility, the model provides several practice-oriented insights. Indicators with Total Gap values exceeding 0.30 should be treated as perceptually critical, as they reflect the most pronounced mismatch between user expectations and spatial performance. Prioritizing such indicators—particularly those that can be addressed through low-cost design interventions—can generate visible and rapid improvements in perceived satisfaction. Moreover, spatial optimization strategies should be sensitive to the typological characteristics of different park types. In ecological parks such as Haizhu Wetland, design improvements should emphasize the continuity of circulation, terrain adaptability, and the facilitation of immersive human–nature interactions. In neighborhood parks like Tianhe Park, managing spatial congestion, clarifying functional zoning, and mitigating noise disruptions emerge as key concerns. For multifunctional civic plazas such as Huacheng Square, spatial legibility, controllability under high-use or event conditions, and the assurance of night-time safety are particularly critical to enhancing perceptual resilience.
Third, a perceptual design toolkit can be developed based on model outputs—for example, integrating shaded rest zones, low-noise edges, transparent signage, and modular activity platforms to enhance adaptive usability. Finally, these spatial insights should inform broader urban planning frameworks, especially in the context of post-pandemic mental health recovery, aging-friendly cities, and restorative urban design.
Nonetheless, several methodological limitations should be acknowledged. First, the expert panel used for FDM and DANP stages was geographically concentrated in Guangzhou and largely composed of planning and design professionals. This disciplinary and regional concentration may constrain the diversity of evaluative perspectives, particularly those from community management, public health, or operational domains. Second, empirical validation was limited to three parks within a single metropolitan area. Although these parks span different typologies, the findings may not fully generalize to other urban or cultural contexts. Public space perceptions are shaped by climate, social norms, and governance models, necessitating cross-regional validation. Third, while demographic diversity was acknowledged in data collection, the model did not incorporate subgroup-specific simulations. Understanding how perception gaps vary by age, gender, or user role would enhance the model’s granularity and inclusivity.
Future research can proceed along several directions. Cross-regional replication, especially in cities with different governance models and cultural attitudes toward public space, would help verify the robustness of identified pathways. Introducing participatory weighting mechanisms or fuzzy linguistic modeling can enhance the inclusivity and adaptability of the evaluation process. The framework can also be applied to post-occupancy evaluation of newly renovated or designed parks, testing its capacity to predict alignment between planning intentions and user experiences. Finally, integrating multi-stakeholder perspectives—not only from users but also planners, maintenance personnel, and policy actors—will enable more collaborative, equitable, and sustainable approaches to urban space resilience planning.
In summary, this study offers both a theoretical and practical contribution by advancing a dynamic, feedback-sensitive evaluation framework that bridges environmental psychology, resilience planning, and spatial design. It transforms abstract resilience constructs into actionable diagnostic tools and planning strategies, providing a timely response to the growing need for adaptive, perception-oriented public space design.