Construct Reliability of Structural Equation Modelling (SEM) Exploratory Factor Analysis for a Distracted Driving Behavior Survey

Mohamad Raduan, Hj. Kabit and Lee, Melissa and Norehan, Zulkiply (2020) Construct Reliability of Structural Equation Modelling (SEM) Exploratory Factor Analysis for a Distracted Driving Behavior Survey. In: Proceedings of AICCE'19. AICCE 2019. Lecture Notes in Civil Engineering, 53 (53). Springer Link, pp. 1665-1677. ISBN 978-3-030-32815-3

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Abstract

This paper presents an exploratory factor analysis (EFA) of a road safety behavior survey instrument prior to be used for collecting a Structural Equation Modelling (SEM) data. Through a self-administered survey, the data obtained from 100 respondents were analyzed using EFA to measure the survey instrument reliability. The questionnaire consisted of 14 items with responses recorded on a 10-point Likert scale. The results indicated that Kaiser-Meyer-Olkin values obtained for the three constructs measured, Road Violations, Cognitive Errors and Action Errors were 0.767, 0.865 and 0.872 respectively. For Bartlett’s Test of Sphericity, the results were found to be statistically significant. In addition, the Cronbach’s alpha was 0.922 (road violations), 0.959 (cognitive error) and 0.958 (action errors) which strongly suggest that all three constructs were within the required range of internal consistency. The results indicate that the questionnaire is valid and reliable tool for measuring driving errors due to distracted driving behavior

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