The Effects of psychological inoculation on drivers’ speeding behavior

Simser, Berfin Serenat
Speeding is a widespread problem which can cause life threatening outcomes in traffic settings. The present study was aimed at measuring whether psychological inoculation (PI) based on an integrated model of Theory of Planned Behavior (TPB) and Prototype Willingness Model (PWM) can be used to reduce speeding behaviors of drivers. 95 male drivers aging between 19 and 30 took part in the study. As part of the PI intervention, all participants were given challenging sentences as exaggerated forms of their attitudes and beliefs regarding speeding and asked to refute these statements by developing counterarguments against these beliefs. Before, immediately after and 2 weeks after the implementation of interventions, drivers’ speeding related attitudes, subjective norms, perceived behavioral control (TPB constructs); willingness and prototype perceptions (PWM constructs) as well as intention to speed and their speeding behaviors were assessed via questionnaires. To investigate the effectiveness of PI method, ANOVA was conducted for each construct of the model. Moreover, mediation and regression analyses for three different time points were performed in order to investigate how well this model works. The results revealed that drivers’ speeding related cognitions, intentions and behaviors measured before the intervention were significantly decreased both immediately and 2 weeks after the PI intervention. Furthermore, for each time point, the measured constructs were shown to predict intention and behavior, except for perceived behavioral control and prototype favorability. The current study is, therefore, can provide some insight on which constructs to tackle with and how to reduce speeding behavior of drivers. iding the harasser as coping mechanisms; while perceiving sexist hostility correlated with an inclination towards reporting to authorities and not avoiding the harasser.


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Citation Formats
B. S. Simser, “The Effects of psychological inoculation on drivers’ speeding behavior,” Thesis (M.S.) -- Thesis (M.S.) -- Graduate School of Social Sciences. Psychology., Middle East Technical University, 2019.