Document Type

Article

Disciplines

Quantitative Psychology

Comments

Published in: Psychological Bulletin, Vol. 27, No. 1, pp.142-161 (January 2001) at: http://content.apa.org/journals/bul/127/1/142 This article may not exactly replicate the final version published in the APA journal. It is not the copy of record. APA Website: http://www.apa.org/

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