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ERIC Number: EJ1168023
Record Type: Journal
Publication Date: 2018
Pages: 21
Abstractor: As Provided
ISSN: ISSN-1530-5058
Exploring a Source of Uneven Score Equity across the Test Score Range
Huggins-Manley, Anne Corinne; Qiu, Yuxi; Penfield, Randall D.
International Journal of Testing, v18 n1 p50-70 2018
Score equity assessment (SEA) refers to an examination of population invariance of equating across two or more subpopulations of test examinees. Previous SEA studies have shown that score equity may be present for examinees scoring at particular test score ranges but absent for examinees scoring at other score ranges. No studies to date have performed research for the purpose of understanding why score equity can be inconsistent across the score range of some tests. The purpose of this study is to explore a source of uneven subpopulation score equity across the score range of a test. It is hypothesized that the difficulty of anchor items displaying differential item functioning (DIF) is directly related to the score location at which issues of score inequity are observed. The simulation study supports the hypothesis that the difficulty of DIF items has a systematic impact on the uneven nature of conditional score equity.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A