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Use of the Extreme Groups Approach: A Critical Reexamination and New Recommendations, Psychological Methods
Kristopher Preacher, Derek D. Rucker, Robert MacCallum, Al Nicewander
Preacher, Kristopher, Derek D. Rucker, Robert MacCallum, and Al Nicewander. 2005. Use of the Extreme Groups Approach: A Critical Reexamination and New Recommendations. Psychological Methods. 10(2): 178-92.
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