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Systems, Volume 8, Issue 4

December 2020 - 21 articles

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Articles (21)

  • Article
  • Open Access
34 Citations
13,408 Views
19 Pages

A Rapid Improvement Process through “Quick-Win” Lean Tools: A Case Study

  • Jorge Rodrigues,
  • José Carlos Sá,
  • Francisco J. G. Silva,
  • Luís Pinto Ferreira,
  • Genett Jimenez and
  • Gilberto Santos

14 December 2020

The main purpose of this paper was to introduce procedural changes based on a type of human resources management tool using Lean Leadership (LL). We sought to determine which Lean Tools (LTs) are able to promote a rapid impact on a company; namely, w...

  • Article
  • Open Access
7 Citations
3,003 Views
11 Pages

10 December 2020

Dynamical systems are known to exhibit sudden state transitions, with abrupt shifts from one stable state to another. Such transitions are widely observed, with examples ranging from abrupt extinctions of species in ecosystems to unexpected financial...

  • Article
  • Open Access
36 Citations
9,622 Views
12 Pages

7 December 2020

Many authors have sought to summarize what they regard as the key features of “complexity”. Some concentrate on the complexity they see as existing in the world—on “ontological complexity”. Others highlight “cognit...

  • Article
  • Open Access
10 Citations
5,034 Views
37 Pages

Quantifying Risk Perception: The Entropy Decision Risk Model Utility (EDRM-U)

  • Thomas Monroe,
  • Mario Beruvides and
  • Víctor Tercero-Gómez

3 December 2020

Risk perception can be quantified in measurable terms of risk aversion and sensitivity. While conducting research on the quantization of programmatic risk, a bridge between positive and normative decision theories was discovered through the applicati...

  • Article
  • Open Access
26 Citations
4,863 Views
18 Pages

An Application of an Urban Freight Transportation System for Reduced Environmental Emissions

  • Evripidis P. Kechagias,
  • Sotiris P. Gayialis,
  • Grigorios D. Konstantakopoulos and
  • Georgios A. Papadopoulos

29 November 2020

Today, there is a great need for greener urban freight transportations due to their ever-increasing environmental impact. The planet’s climate has been significantly affected as the temperature is constantly rising and extreme weather events ar...

  • Article
  • Open Access
24 Citations
5,151 Views
31 Pages

26 November 2020

Previous research has established that embodied modeling (role-playing agents in a system) can support learning about complexity. Separately, research has demonstrated that increasing the multimodal resources available to students can support sensema...

  • Article
  • Open Access
20 Citations
3,998 Views
17 Pages

How Fifth-Grade English Learners Engage in Systems Thinking Using Computational Models

  • Alison Haas,
  • Scott E. Grapin,
  • Daniel Wendel,
  • Lorena Llosa and
  • Okhee Lee

22 November 2020

The purpose of this study was to investigate how computational modeling promotes systems thinking for English Learners (ELs) in fifth-grade science instruction. Individual student interviews were conducted with nine ELs about computational models of...

  • Article
  • Open Access
9 Citations
5,595 Views
34 Pages

20 November 2020

The uncertainty, or entropy, of an atom of an ideal gas being in a certain energy state mirrors the way people perceive uncertainty in the making of decisions, uncertainty that is related to unmeasurable subjective probability. It is well established...

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Systems - ISSN 2079-8954