Rumors Regarding the Death of the Equipercentile Assumption May Have Been Greatly Exaggerated.

Tallmadge, G. Kasten

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Peer reviewed

ERIC Number: EJ316158

Record Type: Journal

Publication Date: 1985

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Rumors Regarding the Death of the Equipercentile Assumption May Have Been Greatly Exaggerated.

Tallmadge, G. Kasten

Journal of Educational Measurement, v22 n1 p33-39 Spr 1985

Support for the validity of the equipercentile assumption is presented in contrast with the conclusion of Powers, Slaughter, and Helmick (EJ 289 091). Observed "gains" from pre- to posttests are better attributed to stakeholder bias, posttests that match curriculum content too closely, or a combination of these factors. (Author/DWH)

Descriptors: Data Interpretation, Evaluation Methods, Norm Referenced Tests, Predictive Measurement, Predictive Validity, Pretests Posttests, Secondary Education, Test Theory

Publication Type: Journal Articles; Opinion Papers; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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Authoring Institution: N/A

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