Understanding the impact of laziness and pedestrian intervention on car dependence within the context of a European island

Scerri, Karyn; Attard, Maria · 2024 · Crossref

DOI: 10.1016/j.rtbm.2024.101121

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Summary

This study investigates the role of "laziness" as a psychological determinant of car dependence for short-distance trips, specifically within the context of Malta, a European island with high motorization rates. Motivated by the negative health impacts of sedentary behavior and the need to shift travel habits toward active modes, the research applies the "Lazy User Theory" (LUT). This theory posits that individuals select transport modes requiring the least effort, categorized into time, money, physical effort, and mental effort. The study aims to understand the link between perceived exertion and car use, evaluate the explanatory power of LUT constructs, and assess community perceptions of pedestrian interventions. The research employed a mixed-methods approach focusing on the University of Malta population. Data were collected via a Virtual Urban Living Lab (VULL) workshop with 18 participants and an online questionnaire survey with 169 respondents. The VULL involved participants identifying walking barriers and evaluating proposed pedestrian interventions. The survey measured socio-demographics, travel frequency, perceived exertion using a modified Borg scale, and walking distance thresholds. To analyze the data, the researchers used Ordinal Logistic Regression to examine the relationship between car use frequency and distance thresholds, and Partial Least-Squares Structural Equation Modeling (PLS-SEM) to test four hypotheses regarding the LUT constructs (money, time, physical effort, and mental effort) among 75 car commuters living within a 30-minute walking radius. The findings reveal a significant link between higher frequencies of car use and increased perceived physical exertion of walking; car users rated a 1.6 km walk as more difficult than those who walk. The PLS-SEM analysis indicated that while the preliminary application of the Lazy User Theory model did not fully explain car-use behavior for short-distance commuting, the construct of mental effort provided the strongest explanation. Specifically, factors such as personal preference, satisfaction, and perceived safety drove the choice of car over walking more than time, cost, or physical effort alone. Additionally, the VULL results highlighted community support for pedestrian interventions, with participants identifying specific barriers and endorsing improvements to the urban walking environment. The study concludes that laziness, particularly in the form of mental effort avoidance, is a critical determinant of car dependence for short trips. The results suggest that interventions aiming to reduce car use must address psychological barriers related to comfort, safety, and satisfaction, rather than focusing solely on physical infrastructure or cost. The research provides policy-relevant feedback for designing pedestrian-friendly environments and underscores the need for further investigation into laziness as a determinant of travel behavior, particularly in contexts with high car ownership and limited public transport alternatives.

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