Adaptation and Validation of the Food Neophobia Scale: The Case of Hungary

Food neophobia is the fear or loathing of novel food, which may result in the rejection of the unfamiliar food item. The most frequently used and most reliable tool to measure adult food neophobia is the Food Neophobia Scale (FNS), which has been translated into several languages, making it possible to compare food neophobia levels around the world. The main objective of this research has been the adaptation and validation of the FNS in Hungary. In order to achieve the research objectives, a questionnaire survey was conducted on a representative sample of 500 adults; and, primarily, multivariate statistical tools were used. We found that despite the Hungarian population’s strong neophobic tendency, neophobia and neophilia are present at the same time. We identified two distinctive factors in the course of the exploratory factor analysis (“Willingness and trust” and “Rejection and particularity”), which distinctly separate the negatively and positively worded (reversed) FNS items. Based on these factors, four clusters were identified. Those belonging in the group of adventurous open-minded individuals constitute an ideal target group for the manufacturers of novel food items as well as products with unusual flavors, especially if those products also have health-enhancing and eco-friendly qualities.


Introduction
Food neophobia is the fear or loathing (perhaps even disgust) of novel food, which may result in the rejection of the unfamiliar food item. This, in part, is rooted in evolution, but traditions also influence which food items become accepted by the individual. Every single food item represents a possibility and a risk at the same time [1], in that there is a possibility to ingest different nutrients, but it can turn out to be dangerous as well. However, to be able to take advantage of being an omnivore and being able to gain nutrients from several sources, the individual must be willing to sample (accept) new food items as well. According to Rozin [2], this is the omnivore's dilemma, that is, avoidance and rejection, as well as the acceptance (sampling) of new food items that are present at the same time.
The opposite of neophobia is neophilia; representatives of this group will sample anything and their food choices are primarily generated by curiosity. The only difference between the sampling willingness of neophobic and neophilic people can be detected in the case of novel food items, not in the case of food items that are already familiar to them [3]. It is important to note that neophobic consumers not only show less willingness to try new foods but they will also find these food items less tasty after sampling than their non-neophobic peers [4][5][6]. Therefore, neophobia has an effect on the quality and variety of eating as well [7,8], with the result that neophobic individuals may have a less diverse and more monotonous diet than their neophilic peers [9].
Cultural diversity and globalization have made it possible for novel food items to appear on the market, besides traditional foods. Given that the Regulation on Novel children naturally object to tasting bitter-tasting food items (primarily vegetables and fruits) when they have no previous experience with the foods in question [22,26,30]. A bitter taste may, in time, be accepted, but repeated sampling is a prerequisite for this [9,35]; in the case of neophobic adults, however, the person remains sensitive to tasting bitter flavors [32]. Furthermore, children can also independently develop schemes as to what they are willing to accept and how, which can be influenced by the color or smell of the food on offer, but even by the distance between food items on the plate [22].
Parents have a pivotal role in the development of childhood neophobia. Those children who previously had more negative experiences when trying new food items (for example, parental force-feeding) will typically experience stronger cases of neophobia than their neophilic peers [22,34]. Moreover, parents rarely offer their children food items that they themselves are unfamiliar with, or that they do not like [16]. As a consequence, these children will experience a higher level of neophobia than their peers with non-neophobic parents [16,23,26,33,34].
On the other hand, neophobia in childhood and adulthood can be decreased by positive information about the new food item, and willingness to sample and accept a food item is increased if a new food is accompanied by familiar flavors, if the new food item resembles an already familiar food, or if it appears as part of similar food combinations [8,9,16,25]. Continuous and repeated positive experiences-usually 10-15 positive experiences are necessary for a new food item to be integrated into a person's diet-reduce the objection to accepting the food item and, as a result, also reduce neophobia [9,16,17,26,[30][31][32]35]. Moreover, social factors can also contribute to the decrease of neophobia; the more people eat together, the greater the willingness to try out a new food item and the lower the neophobia [22,30].
Neophobia can also be part of-albeit not the sole reason for-picky eating habits [9,22]. Although the notions of neophobia and picky eating habits are often blended together [33]in both cases, we can speak of the rejection of food [31]-they are, in fact, not the same phenomenon. Whereas in the case of neophobia, the person only rejects new/unfamiliar food items, in the case of picky eating habits a majority of food items are rejected, which includes both unfamiliar and already familiar ones [22,31,33]. Furthermore, picky eating habits include the consumption of an insufficient amount of food as well as the rejection of certain food items based on their texture [31].
The most frequently used and most reliable tool to measure adult neophobia is the Food Neophobia Scale (FNS) [9] developed by Pliner and Hobden [36]. The scale consists of 10 items, 5 of which refer to neophobic behavior, and the other 5 to neophilic behavior. The higher the FNS value, the more strongly it indicates neophobia. The FNS can be an appropriate method to measure the willingness to sample new food items, to study the acceptance of exotic cuisines and to explore expectations towards novel food items [11].
Over the years, the original FNS has been translated into several languages, including Swedish [16], Finnish [17], French [8], Korean [12], (European) Portuguese [28], (Brazilian) Portuguese [29], German [21,23], Dutch [37], Italian [18] and Chinese [13]; but few or no studies have been conducted in Eastern Europe [38]. Translated and validated scales adapted to various national markets make it possible to compare nations based on their FNS values [19,21]. However, Ritchey et al. [39] called attention to the phenomenon that, due to cultural differences, after the scales have been translated, certain statements may become incomprehensible to a given nation, which can distort the results.
Based on the literature, our research objectives were as follows: • Identifying a factor structure of food neophobia in Hungary, based on the items in the Food Neophobia Scale (FNS) questionnaire; • Examining the applicability of the FNS measuring tool to the entire Hungarian adult population; • Identifying consumer segments (clusters) in Hungary based on the extent of food neophobia.

Sampling Method
Data collection was carried out in October 2020 in Hungary by means of personal interviews. The study obtained ethical approval on 15 September 2020 (approval number: GTKDH/48/2021) from the Research Ethics Committee at the University of Debrecen, Faculty of Economics and Business. Participants gave informed consent before taking part in the research. The national questionnaire-based survey was representative of the population in terms of gender (χ 2 (1) = 0.803; p = 0.370) and age group (χ 2 (2) = 0.3.901; p = 0.142). In the sampling process, representativeness was also ensured for regions (χ 2 (2) = 0.187; p = 0.911) and settlement types (χ 2 (2) = 7.279; p = 0.064) (quota sampling). In the assigned settlements, each interviewer was given a randomly selected starting address. In ascending order by house number, the interviewers then began the questioning at the third house on the same side of the street, and then, if they were done there, they continued at the next third house. During the compilation of the sampling plan, it was also ensured that the interviewers should have no problem whether they were conducting the questioning in a district with detached houses or in a district with blocks of flats. From among the residents of the households visited, those participants whose birthday was the closest to the date of the survey were selected for the interview. With this method, randomness was ensured only in each stratum. The sample consisted of 500 persons. Given that in Hungary the number of adults is approximately 8 million [40], and with a 95% confidence level and a 5% margin of error (based on [41]), the required sample size is 385 respondents. Consequently, the sample size was appropriate for reaching the research objectives. Table 1 shows the percentage distribution of the socio-demographic groups of the individuals involved in the survey and the population composition according to the previously mentioned four factors.

Structure of the Questionnaire
The questionnaire was made up of two parts: the 10 items of the FNS and 7 questions concerning socio-demographics (see Table 1). In the questionnaire, we used the 10 items of the original FNS developed by Pliner and Hobden [36], translated into Hungarian with the back translation method. The questionnaire was finalized after conducting a pilot survey among 20 Hungarian adults, which resulted in a minor change in item 5 and item 10 (similarly to some previous findings [43], the terms "ethnic" food and restaurant were substituted because in Hungarian, the terms "foreign" food and restaurant are more commonly used and better understood). Respondents had to answer each statement on a Likert scale of 1-7, where 1 stood for "strongly disagree," while 7 stood for "strongly agree." Similarly to some previous research studies [12,[17][18][19]29], based on their FNS total scores, respondents were separated into three categories, where cut-off points were the FNS total scores ± standard deviation; i.e., if the respondent's FNS value was lower than the total score minus standard deviation, then he/she was sorted to the neophile group; if the FNS value was higher than the total score minus standard deviation but lower than the total score plus standard deviation, then the respondent belonged to the group of neutrals; and if the FNS value was higher than the total score plus standard deviation, he/she was classified as neophobic. We examined the effect of demographic background variables on food neophobia with the independent-samples t test (in the case of gender) and with ANOVA (in the case of the other variables).

Data Analysis
First, exploratory factor analysis (EFA) was performed on the model with the aim of exploring whether the pre-hypothesized factor structure appeared in our sample and whether we were able to measure the desired attitudes (factors that can be defined as latent variables). Then, we examined the reliability of the scales within the measurement model of the revealed latent variables using the Cronbach's alpha index and the composite reliability index and omega. This was followed by a confirmatory factor analysis (CFA), the purpose of which was to prove the convergent validity, i.e., whether our empirical model fits the assumed model. Discriminant validity-which tests whether concepts or measurements that are not supposed to be related are actually unrelated-was examined according to the Fornell-Larcker criterion [44]; i.e., the square root of both factors' AVE (average variance extracted) value should be higher than the correlation coefficients between the latent variables. For further examination, data reduction by principal component analysis was performed separately on the latent variables in order to obtain latent variables free of cross-loadings. The segmentation was performed by cluster analysis, which consisted of two main steps: first, the number of clusters/segments was determined by hierarchical cluster analysis, and then the cluster analysis was carried out using the K-means method, in which the cluster means were determined by the applied statistical software. In order to examine the clusters, cross-tabulation analysis and simple hypothesis tests were used. For CFA, v3.5.0. of R Statistics in the RStudio editor was used (The R Foundation, Vienna, Austria), and all additional tests were performed in v23.0. of IBM SPSS Statistics (Armonk, NY, USA). Table 2 illustrates descriptive statistics relevant to each item on the FNS. The mean value of the total FNS is 39.75; using the value of the ± standard deviation as the cut-off point, we can say that the majority of respondents (65.8%) belong in the neutral group, whereas the proportions of the neophile and neophobe groups are almost the same (17.4% and 16.8%, respectively). These results draw attention to the fact that fear of the new and seeking out novelties coexist in respondents. This is indicated by the high values of standard deviation and coefficient variation as well. Respondents mostly do not like going to ethnic restaurants (mean: 4.70), nor do they like sampling food items where they do not know what it contains (mean: 4.52). The skewness of the sample distribution also supports these results in the case of both items. A majority of respondents agree that they do not constantly sample new and different foods (mean: 4.14), and they typically do not sample new foods at gatherings and parties (mean: 4.08). Consumers are, however, less afraid of foods which they have never had before (mean: 3.68), and they (typically) trust new foods (mean: 3.61). They are also in agreement with the statement that they eat almost everything (mean: 3.18).

Exploring the Food Neophobia Scale
If we examine demographic background variables (Table 3), we find that there is no significant difference in FNS values when it comes to gender and settlement type. However, food neophobia significantly grows with age (p < 0.001); while in the 18-39 age group the mean FNS value is 36.87, in the 40-59 age group it is 39.02 and in the 60 or older age group it is 43.47. There is a significant relationship between the FNS value and the level of education (p < 0.001)-people with higher qualifications have lower FNS values, thus they can be seen as less neophobic than people with lower levels of education (the mean value for university graduates is 38.67, whereas for those who only finished primary school it is 45.19). Finally, FNS values significantly vary according to subjective income as well (p < 0.001), because those in a better financial position are less neophobic than people in a worse financial position (the mean value for the highest income bracket is 36.2, whereas for the lowest income bracket is 46.76).

Results of the Exploratory Factor Analysis
The results of the exploratory factor analysis can be seen in Table 4. EFA resulted in a model with two factors. The first, strongest factor is "Willingness and trust", which explains 47.927% of the variance. The higher factor weights indicate that the dimension influences Hungarian consumers' thinking to a great extent and it is distinctly separated from the second factor, i.e., "Rejection and particularity", which includes aversion towards new food items and picky behavior and explains 17.325% of the variance. We deleted item 9, because of its low explanatory power.

Examination of the Applicability of the Model
Based on Cronbach's alpha, the composite reliability indicator and McDonald's omega (Table 5), our applied scales can be regarded as reliable, and reliability cannot be further increased by the removal of items [45]. Omega assumes a congeneric model, which means that factor loadings are allowed to vary in a CFA model. In CFA, the measurement and structural parts of the model (the hierarchical relationship between measurement and latent variables) were developed according to EFA, supporting our preliminary assumptions. According to the CFA indicators (Table 6), the internal validity of the model can be accepted and the CFA indicates a good fit, so the empirical model can fit the theoretical model. In the CFA, the only concession we made was to allow the covariance between the measurement variables for a given latent variable in the calculations in all the cases where the modification index showed outliers. The examination of discriminant validity resulted in that the square root of both factors' AVE value is higher than the correlation, therefore, the Fornell-Larcker criterion is satisfied (Table 7).

Segmentation Based on the FNS
In the course of the segmentation of the sample, the segment-forming criteria were the factors previously established based on the FNS. Given that our data proved to be suitable for segmentation, we used hierarchical cluster analysis to identify the number of clusters, and we also examined if there were any outliers. As we did not find any outliers and we established the number of segments as 4 clusters, we ran the cluster analysis with K-means clustering. The clusters thus formed differ significantly (p < 0.001) in variance analysis, therefore the result of the segmentation is valid. Out of a sample of 500, we managed to fit 476 (95.2%) respondents into 4 clusters, namely, "Careful and picky open-minded", "Non-picky older adults", "Traditional rejectors" and "Adventurous, open-minded". In the following, each cluster is described in detail (Table 8). This group constitutes 21.4% (102 individuals) of the sample. The ratio of men and women is balanced in the cluster, and the age group 18-39 is the largest one, while the proportion of those from the 40-59 age group is less than the average. The size of the group increases with the level of education. Singles are highly overrepresented, whereas widows/widowers and divorced people are underrepresented. Members of this cluster are typically in a better financial position; the two highest income levels are represented in proportions significantly higher than those in the sample. Very health-aware consumers strongly dominate the segment, and the same is true for environment-awareness. Members of this cluster typically live in towns; those living in other types of settlements are highly underrepresented.
Members of this cluster are demanding and they are careful with novelties. Out of all the segments, they are the most characterized by pickiness in their behavior. If they do not know what a food item contains, they do not sample it. Despite this, like the members of Cluster 4, they visit new ethnic restaurants relatively frequently, and they are also willing to sample unfamiliar food items at social gatherings, but, at the same time, they are careful and circumspect when it comes to sampling new, unfamiliar food items. From this perspective, they present ambiguous behavior-on the one hand, they are careful and selective, while, on the other hand, they are open-minded and curious.
Cluster 2-Non-picky older adults. This is the smallest cluster out of the four segments (17.7%, 84 individuals). Women are somewhat over-and men underrepresented, and the number of respondents belonging in this cluster increases with increasing age (12.9% of 18-39 and 25% of 60+ year-olds). Within the group, those who only finished primary and vocational school dominate. Widows and widowers are represented in an outstandingly high proportion, whereas people in other groups based on marital status are underrepresented. The group is characterized by average financial means; none of the subjective income levels are dominant in the cluster. They are also average when it comes to being health-aware and environment-aware. Typically, members of this cluster live in smaller settlements; those living in smaller municipalities are strongly overrepresented.
The members of this cluster are only slightly picky, so they can be regarded, in this respect, as "not demanding." We can suppose that they do not visit new, ethnic restaurants due to financial reasons, despite this, they are not afraid of novelties, they are willing to try ethnic foods which they encounter for the first time or which they have not sampled before. Like Cluster 4, but unlike the other clusters, they tend to trust new food items. Unlike Cluster 3, they tend to consume all kinds of food items. Their behavior is likely defined by their financial circumstances and mainly by their level of education.
Cluster 3-Traditional rejectors. This cluster constitutes 29.4% (140 individuals) of the respondents. Men are overrepresented in the segment, as well as people in the 60 years or older age group, whereas women and people in the 18-39 age group are underrepresented. When it comes to the level of education, the dominant groups are those who finished only primary school or vocational school. Marital statuses are relatively balanced in the cluster; divorced, widowed and married people are represented in slightly higher than average proportions. Members of this group typically live in worse than average financial conditions. They are moderately health-aware and environment-aware; typically, they cannot be regarded as conscious consumers. Those living in the capital are overrepresented.
Their behavior towards novel food is typically characterized by mistrust and rejection, out of all the clusters theirs is the one most strongly characterized by this attitude. An indication of this tendency is that they are especially afraid of foods they have not sampled before, but they also dislike foods originating from other countries.
Cluster 4-Adventurous, open-minded. This cluster is the most populous out of the four (31.5%, 150 individuals). Men are slightly underrepresented in the cluster, and the 18-39 and 40-59 age groups are highly overrepresented. The cluster is dominated by individuals who finished high school and university, whereas those with primary and vocational school education are underrepresented. Members of this cluster typically live in balanced financial circumstances, and the ratio of mostly health-aware and mostly environment-aware consumers is the highest in this segment, out of all the groups. The division of settlement types is balanced in the cluster.
Members of this cluster can be seen as the most open towards novel food items; they trust foods they have not sampled before, and they are the most willing to try ethnic foods they have not seen before. Similarly to Cluster 1, they visit new ethnic restaurants relatively frequently, seek out new flavors and novelties, are adventurous, and therefore, are the least characterized by a preference for familiar tastes.
Nearly two-thirds (65.8%) of the Hungarian sample can be regarded as neutral from the perspective of food neophobia, while the ratios of neophilic and neophobic respondents are almost the same (17.4% and 16.8%, respectively). These ratios are almost identical to those found by D'Antuono and Bignami [18] in Italy (neophile: 17%, neutral: 66%, neophobe 17%) and with ratios measured by Tuorila et al. [17] in Finland (17%, 66%, 17%, respectively), however, they significantly differ from the ratios found by Choe and Cho [12] (15.6%, 71.4%, 13%, respectively), which suggests that Korean respondents have less extreme attitudes towards novel foods than Hungarians. Among Brazilian consumers [29] there is a lower proportion of neophiles (10%) and a higher proportion of neutrals (72.5%) than among Hungarians, just as in the Lebanese survey conducted by Olabi et al. [19] (7.9% and 70.6%, respectively), whereas according to the former survey, the ratio of neophobes was nearly identical to the Hungarian ratio (17.5%), while in the latter it exceeded the Hungarian ratio (21.5%). Thus, the mean food neophobia value of Brazilian and Lebanese university students is lower than the Hungarian value; however, compared to the means of their own populations, both previous surveys indicate a level of neophobia higher than the Hungarian level. A sample of American university students [19] yielded different results; they had a significantly higher proportion of those open to novel food items (29.4%) and a lower proportion of food neophobia (13.4%) than Hungarian consumers, and the ratio of neutrals was also lower among them (57.2%).
The significant difference in Hungarian consumers' food neophobia level compared to those of the consumers in other countries can be attributed to the different sample compositions in some cases being in line with previous findings [38]; although it also confirms the suggestion based on previous research results that the individual's cultural background has a major influence on the person's reaction to novel food items, that is, to the level of food neophobia (see, e.g., [4,28,39]). Our results, however, do not seem to verify findings by Choe and Cho [12] suggesting that Western cultures have a lower level of neophobia than Eastern cultures. The higher Hungarian food neophobia level revealed by our research is probably due to the fact that Hungarian (food) culture is more conservative and traditional [47,48], and consumers are more likely to reject novel food items in such a culture [4,25]. Besides this, we can also observe that the standard deviation of FNS values was somewhat higher in our research than in previous surveys, which indicates that although the Hungarian population can be regarded as strongly neophobic, food neophobia and food neophilia are both present among them, that is, the omnivore's dilemma is very much at work here.
The high proportion of Hungarian consumers with a high level of food neophobia affects the development and marketing communication of food products intended for the Hungarian market. On the one hand, given that food neophobic consumers typically do not take part in the consumer testing of such items [5,19], the level of consumer acceptance indicated by such tests can seem higher than it actually is. In fact, according to Barrena and Sánchez [11], neophobia can be one of the reasons why the success rate of novel food items introduced to the market is so low. On the other hand, neophobic consumers may accept novel food items more easily if the manufacturer makes these items more familiar to the consumer by the use of well-known ingredients and flavors [12], and if this is emphasized in the marketing communication as well. Furthermore, such markets require more marketing efforts to combat neophobia, primarily with incentives that guarantee consumers' high level of exposure to novel foods, such as product tasting, free samples or coupons [19].
In comparison with the results of previous research, we have found only a few-not consistent-similarities in terms of the items with which respondents can be regarded as mostly neophobic or mostly neophilic. Similarly to the case of Hungarian consumers, items 1 and 3 are among the items receiving the highest mean values in research conducted by Fernández-Ruiz et al. [4] and Tuorila et al. [17], item 1 is one of the items with the highest mean value in research conducted by Choe and Cho [12], as well as in that of Koivisto and Sjödén [16]. Similarly to the results of the present research, item 10 is the item with the highest mean value in the research of Olabi et al. [19] and Sogari et al. [25]. In the Hungarian sample, items 2 and 7 appeared among the lowest mean values, similarly to the results of Olabi et al. [19], Paupério et al. [28] and Sogari et al. [25]; item 7 has the lowest mean value in the research of Koivisto and Sjödén [16] as it does with Fernández-Ruiz et al. [4], while it is item 2 in Tuorila et al. [17]. Finally, as in the present research, item 9 has the lowest mean value in the study of Choe and Cho [12].
Similarly to previous research results [4,5,7,12,13,16,18,19,23,26,36], the level of food neophobia does not differ significantly between the genders among Hungarian consumers. Contrary to this, in some research studies [17,21,24], women proved to be less neophobic than men; Knaapila et al. [6] and Sogari et al. [25], however, arrived at a conclusion that women are more neophobic than men. FNS mean values increase with age among our respondents, just as in surveys made by D'Antuono and Bignami [18], Fernández-Ruiz et al. [4], Henriques et al. [5], Olabi et al. [19] and Tuorila et al. [17]. Paupério et al. [28] and Roseboom et al. [49], however, did not find a significant connection between age and the level of food neophobia, whereas Pliner and Melo [50] found a decrease in neophobia with age. According to some studies [17,19,27], urban consumers are less neophobic than rural ones; however, the present survey did not find a similar relationship. The literature [17][18][19]28] is consistent on the point that higher levels of education lead to lower levels of food neophobia, because education increases the chance of encountering different stimuli, therefore it increases the exposure to novel foods; this connection was verified by our research as well. Finally, contrary to previous findings [12,19] which did not indicate a connection between income and FNS values, in the case of Hungarian consumers, as their subjective income increases, their level of food neophobia decreases.
Factor analyses based on the FNS did not verify the previously assumed [36] onedimensionality of the scale. Although some surveys did manage to identify one dimension for FNS, typically, they could only do this by leaving out certain items, such as Sogari et al. [25], who excluded item 8, Ritchey et al. [39], who left out items 2, 5, 8 and 9 (in US, Swedish and Finnish samples), and Guidetti et al. [1], who excluded items 3, 4, 8 and 9. However, most research-including the current study-revealed a two-factor solution (e.g., [4,12,17,19,28,39,51]), and in most of these-as in the results of the present survey-we can observe that the two factors clearly distinguish the negatively and positively worded (reversed) items. This, however, can be seen as some sort of a method effect, i.e., separation of items along the two factors is related to whether they are formulated in a direct or inverse way [51]. According to the results of a survey conducted by Olabi et al. [19], one factor is apprehension with regard to trying novel and ethnic foods, that is, it is related more to neophobic traits, and it contains the five negatively worded items, while the other factor is the interest in trying new foods, that is, it is related to more neophilic traits, and it contains the five positively worded (reversed) items. The same factor structure was found by Paupério et al. [28], Lenglet [51] and Ritchey et al. [39], with the difference that Paupério et al. [28] excluded item 8, Lenglet [51] left out items 8 and 9, while Ritchey et al. [39] excluded items 5 and 9 (in US and Swedish samples).
In the present research, the two-factor structure explored by Olabi et al. [19] was created by the exclusion of item 9 ("I will eat almost anything. (R)"). The problematic nature of this item has been pointed out by several studies; according to Ritchey et al. [39], for example, the item is too generic and misleading, because, for instance, vegetarians might be very willing to sample new foods, but they will not eat "anything", since they do not eat meat; therefore, the item does not measure neophobia but something else. In a similar manner, Lenglet [51] and Zhao et al. [13] note that this item (along with item 8) indicates, instead, whether one is habitually a picky eater, and, according to Guidetti et al. [1], item 9 (along with items 3 and 8) does not differentiate between food neophobia and picky eaters, vegans/vegetarians and intolerant/allergic people. Related to this issue is the fact that although in research conducted by D'Antuono and Bignami [18] and by Zhao et al. [13], three factors were found, in both surveys one of the factors contained only items 8 and 9. The problem with item 9 is also indicated by the fact that its item-whole correlation was the lowest among all items in the original study of Pliner and Hobden [36]. Therefore Ritchey et al. [39] suggest that this item requires particular attention, and if it does not fit the scale, this is sufficient reason to exclude it from analysis.
In most of two-factor structures-as in the case of the present research-the factor containing the reversed items explains a higher ratio of variance than the factor containing the positively worded items (in the present research 47.927% vs. 17.325%), that is, the FNS measures neophilia more than it measures neophobia [51]. Accordingly, in the findings of Paupério et al. [28], the variance explained by the factor related to neophilia is 26.3%, that of the factor related to neophobia is 24.5%, whereas in Lenglet [51] the variance explained by the two factors is 49.7% and 13.2%, respectively. As opposed to this, in the research conducted by Olabi et al. [19], the variance explained by the two factors is 20% and 21.8%, respectively.
We managed to identify four clusters with the factors that emerged in the course of the analysis. Unlike our research, most other surveys-such as Bernal-Gil et al. [52] and Paupério et al. [28]-identified three clusters, but there were two-cluster solutions as well (e.g., [53]). Given that the different surveys used a different number of items in the FNS to serve as the basis of their analysis, and various numbers of factors with different compositions were created with different factor loadings, the possibilities of international comparisons of cluster analyses carried out with these factors is, therefore, severely limited.

Conclusions
When compared to international results, the level of food neophobia in Hungary is high, which should be taken into account by companies undertaking food innovations as both a distortion factor in market surveys and a possible barrier to the acceptance of food innovations. The reasons for this high level of food neophobia can ultimately be found in the conservative and traditional attitudes of Hungarian consumers, which are hard-almost impossible-to change. Despite the Hungarian population's strong neophobic tendency, however, neophobia and neophilia are present at the same time. Of the groups established upon different background variables, the least neophobic are people aged 18-39, those who have finished secondary or higher education and those with a higher subjective income; this group can be a fruitful target of novel food products.
In the course of the exploratory factor analysis, we identified two distinct factors, which clearly separate items worded in a negative and positive way (reversed items). The first is the factor of "Willingness and trust," in which the high factor loadings indicate that the dimension influences Hungarian consumers' thinking to a great extent. The factor of "Rejection and pickiness" has less explanatory power, by which we proved that the FNS measures neophilia better than it measures neophobia.
The results of the cluster analysis can be useful in creating marketing strategies and policies, both for companies planning to launch novel food products or foods with unusual flavors, and for governmental or industry level organizations aiming to influence food consumption habits in a positive direction with the aim of improving the population's health. Among adults surveyed, "Adventurous, open-minded" individuals constitute the ideal target group for the manufacturers of novel food items and products with unusual flavors, especially if those products also have health-enhancing and environment-friendly qualities; they are also a good target for marketing activities aiming to improve eating habits as well. They are innovators, early adopters and a portion of the early majority. They can be joined by "Careful and picky open-minded" individuals, who, similarly to the previous segment, can be receptive towards new food items, especially healthenhancing and environment-friendly ones, and restaurants offering new, unfamiliar flavors, particularly based on their demographic characteristics (mostly younger, more highly qualified people, singles, those in a better financial position and health-and environmentaware individuals). "Non-picky older adults", on the other hand, constitute only a limited market for both the manufacturers of novel food items and restaurants offering unfamiliar flavors and governmental or industrial organizations' marketing activities, partly because the size of this group is relatively small, but also due to its demographic features (older, less highly educated, people living on a tight budget and in smaller settlements). Finally, the group of "Traditional rejectors" cannot be considered an ideal target group, neither for the manufacturers of novel food items and restaurants offering new flavors, nor for health-enhancing marketing activities.
Our research can be regarded as unique for several reasons. First and foremost, to the best of the authors' knowledge, this study was the first attempt to adapt and validate the FNS in Hungary. In the course of the research, we carried out not only a factor analysis based on FNS, but also a cluster analysis to identify consumer segments, which is also unique in Hungary. As a limitation, we have to mention that although the sample was representative of the Hungarian adult population, it would be beneficial to conduct the survey on a larger sample. The present research was conducted on an adult sample; in the future, however, it would be interesting to examine Hungarian children's food neophobia level with the use of the Child FNS [54] in order to reveal the possible origins of the relatively high food neophobia level of Hungarian adults. In addition, further research will be necessary to find out whether Hungarian food neophobia level is similar to that in other Eastern European countries where the social and cultural backgrounds are very similar to those of Hungary.  Informed Consent Statement: Informed consent was obtained from all subjects involved in the study.

Data Availability Statement:
The data presented in this study are available on request from the corresponding author.