An Empirical Test of Roskam's Conjecture About The Interpretation of An ICC Parameter in Personality Inventories  

Oleh:

Pope, Gregory A. ; Hubley, Anita M. ; Watson, Jackie E. ; Zumbo, Bruno D.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Educational and Psychological Measurement vol. 57 no. 6 (1997), page 963-969.
Topik: PERSONALITY; psychology; personality; test methods
Fulltext: 963.pdf (630.78KB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE30.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Roskam conectured in 1985 that a general interpretation can be made for the a parameter (slope) in an item response theory (IRT) analysis of personality inventories. That is, roskam suggested that steeper slopes (and hence higher item - total correlations in classical test theory) will be found with more concretely worded items, whereas lower slopes will be found with more abstractly worded items. The authors tested this conjecture using item - total correlations and both two - and three - parameter IRT models with the eysenck personality questionnaire and were unable to support roskam's proposed interpretation.

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