Driving Self-efficacy Scale: Construction and preliminary evaluation of psychometric properties
Keywords:
Self-efficacy, Traffic psychology, Psychological testsAbstract
This paper reports the construction of the Driving Self-efficacy Scale and the preliminary evaluation of its psychometric properties. Initially, the topic was thoroughly investigated and 20 items were created; the number of items wasincreased after evaluation of judges. The next step consisted of carrying out a pilot study applying the 25-item scale to 40 drivers. The results indicated the need for some adjustments and the creation of ten more items. In the last step, the instrument was applied to 500 drivers, aged 23-78 years, 60.40% male, who were getting their driving license renewed. Factor analysis was conducted, and the scale was then reduced to 15 items allocated to a single factor; with 41.75% of variance explained and good reliability (á = 0.91). Further studies are necessary to confirm the validity of the scale.
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