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Chunk #48 — 4.0 Discussion

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An IRT-based measure of alcohol trait severity and the role of traitedness in trait validity: a reanalysis of Project MATCH data.
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psychological scales tends to yield mixed findings. Although some studies have demonstrated this effect (e.g., Baumeister & Tice, 1988; Britt, 1993; Robinson, Goetz, Wilkowski, & Hoffman, 2006), several others have reported small and inconsistent findings with regard to the moderation of trait-behavior relations by traitedness (Dwight, Wolf, & Golden, 2002; Hopwood & Morey, 2007; Paunonen & Jackson, 1985; Tracey, 2003; Warner, 2007). Some authors have suggested that mixed results may be due to varying methods for assessing traitedness and suggested sophisticated alternatives (e.g., Reise & Waller, 1993; Tellegen, 1988). However, research exploring both traditional and more complex methods for computing traitedness has continued to uncover modest and inconsistent findings with regard to the moderation of trait-based behavioral predictions (Cucina & Vasilopoulos, 2005).