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Eysenck Personality Inventory1
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Zumbo, Bruno D.; Pope, Gregory A.; Watson, Jackie E.; Hubley, Anita M. – Educational and Psychological Measurement, 1997
E. Roskam's (1985) conjecture that steeper item characteristic curve (ICC) "a" parameters (slopes) (and higher item total correlations in classical test theory) would be found with more concretely worded test items was tested with results from 925 young adults on the Eysenck Personality Questionnaire (H. Eysenck and S. Eysenck, 1975).…
Descriptors: Correlation, Personality Assessment, Personality Measures, Test Interpretation