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Estimates of Type I error and power ...

Russell, Steven S.

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Estimates of Type I error and power for indices of differential bundle and test functioning.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Estimates of Type I error and power for indices of differential bundle and test functioning./
作者:	Russell, Steven S.
面頁冊數:	97 p.
附註:	Adviser: Michael J. Zickar.
Contained By:	Dissertation Abstracts International66-05B.
標題:	Psychology, Industrial. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3175804
ISBN:	9780542155574

Estimates of Type I error and power for indices of differential bundle and test functioning.
Russell, Steven S.

Estimates of Type I error and power for indices of differential bundle and test functioning. - 97 p.

Adviser: Michael J. Zickar.

Thesis (Ph.D.)--Bowling Green State University, 2005.

Analyzing single items for differential item functioning (DIF) provides valuable psychometric information, especially during the early stages of test validation. There are also numerous advantages to be gained by conducting DIF analyses at aggregate levels, such as comparing multiple items simultaneously, allowing DIF amplification or cancellation effects, and exploring sources of test bias. This study evaluated the aggregate-level DIF detection capabilities of two IRT-based techniques---DFIT and SIBTEST---using Monte Carlo performance criteria. Estimates of Type I error and power rates were computed across several variables (e.g., sample size, test dimensionality) for differential test functioning (using DFIT) and differential bundle functioning (using SIBTEST). The overall Type I error rates for both techniques were inflated beyond the nominal rejection rate, and varied quite a bit according to the manipulated variables in the study. The overall power rate for DFIT was fairly low, whereas SIBTEST demonstrated satisfactory power. In follow-up analyses, the techniques were used jointly to examine archival datasets. Implications for organizational research are discussed, including future research directions.

ISBN: 9780542155574Subjects--Topical Terms:

520063
Psychology, Industrial.

Estimates of Type I error and power for indices of differential bundle and test functioning.
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