Reliability and validity of scale measuring motorcyclists’ risk perception: The case study of Hanoi, Vietnam

The purposes of this study are to test and verify a risk perception scale among Vietnamese motorcyclists using Cronbach's Alpha coefficient, Exploratory Factor analysis (EFA), Confirmatory Analysis (CFA) through self-reported questionnaire. is established measure the in Hanoi. consists 14 items, which divided into three factors: Worry Concern, Probability Assessments, Cognition Danger level. These factors can explain 71.586% variation. factor loadings items all meet requirements tests. has good reliability validity be used motorcyclists. results inform future risky behaviors