Identifier

etd-03272012-190237

Degree

Master of Arts (MA)

Department

Psychology

Document Type

Thesis

Abstract

The Road Sign Perception Test (RSPT) is a newly developed assessment procedure related to driver advisement, and its psychometric properties have not yet been examined systematically. The present study examined the construct validity and the reliability of RSPT measurements. Cronbach’s α and test-retest reliability statistics were completed, as were correlations reflecting on the test’s construct validity. Results indicated that the RSPT possesses marginal test-retest reliability, adequate internal consistency for duration of stimulus presentation and for specific stimuli, but low for number of signs presented. RSPT performance was significantly correlated with convergent variables measuring aspects of attention, working memory, and spatial perception and orientation, all predictors of driving performance. Divergent variables measuring verbal intelligence, current mood, and handedness were not significantly correlated with RSPT performance. Since there is no normative data available for the RSPT, all of the comparisons for this study used raw accuracy scores which are naturally more variable than comparisons made between standardized scores, potentially lowering the attained reliability and setting the upper limit for observed validity. Overall, the results indicate that the RSPT will be a promising new instrument once it is completed.

Date

2012

Document Availability at the Time of Submission

Release the entire work immediately for access worldwide.

Committee Chair

Gouvier, William D

DOI

10.31390/gradschool_theses.1445

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