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A Paradox in the Interpretation of Group Comparisons ANCOVA

Author(s):
Lord, Frederic M.
Publication Year:
1965
Report Number:
RB-65-08
Source:
ETS Research Bulletin
Document Type:
Report
Page Count:
7
Subject/Key Words:
Analysis of Covariance (ANCOVA), Comparative Analysis, Statistical Bias, Statistical Inference

Abstract

Attention is called to a basic source of confusion in the interpretation of certain types of group comparison data.

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