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Abstract
In this pilot study, we investigated whether there was a differential psychophysiological response during the beginning, middle, and end of the administration of a performance-based instrument (Rorschach Inkblot Method, RIM; CitationExner, 2003) versus a self-report measure of personality (Sixteen Personality Factor Questionnaire, 5th ed. [16PF]; CitationCattell, Cattell, & Cattell, 1993). Results indicate that adult participants (n = 15) experienced greater electrodermal activity during the administration of the RIM as compared to the 16PF. Effect sizes for the differences between the instruments were all very large (Cohen's d = 1.71 at beginning, d = 1.1 at middle, and d = .98 at end).
Acknowledgments
The article was originally presented at the 2007 Society for Personality Assessment Annual Conference in Arlington, VA. We thank Dr. Celeste DeBease for her input and support of this research as well as Dr. Jamie Loving for feedback on an earlier version of the manuscript.