Evaluating the Utility of a Self-Assessment Profile for Use with Problem Driver Populations
The importance of reassessing the psychometric properties of an existing scale is highlighted. The construct validity of a driver attitude scale was not confirmed by factor analysis and the original scale scores were shown to have poor to moderate internal reliability. On the basis of a re-analysis...
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| Format: | Report |
| Sprache: | eng |
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| Zusammenfassung: | The importance of reassessing the psychometric properties of an existing scale is highlighted. The construct validity of a driver attitude scale was not confirmed by factor analysis and the original scale scores were shown to have poor to moderate internal reliability. On the basis of a re-analysis of data from 1,059 repeat traffic offenders, 39 of the original 47 profile items were retained to form a total score. The computation of a total profile score for these items resulted in marked improvement of the profile's internal reliability (alpha=.89). Total scores were significantly different based on sex (p |
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