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A Clarification on the Response Probability Criterion RP67 for Standard Settings Based on Bookmark and Item Mapping
Authors:Huynh Huynh
Affiliation:University of South Carolina
Abstract:By analyzing the Fisher information allotted to the correct response of a Rasch binary item, Huynh (1994) established the response probability criterion .67 (RP67) for standard settings based on bookmarks and item mapping. The purpose of this note is to help clarify the conceptual and psychometric framework of the RP criterion.
Keywords:bookmark standard setting    item mapping    scale anchoring    response probability criterion    RP value
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