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Direct linkBanks, Kathleen – Educational Assessment, 2009
The purpose of this article is to describe and demonstrate a three-step process of using differential distractor functioning (DDF) in a post hoc analysis to understand sources of differential item functioning (DIF) in multiple-choice testing. The process is demonstrated on two multiple-choice tests that used complex alternatives (e.g., "No…
Descriptors: Test Bias, Multiple Choice Tests, Testing, Gender Differences
Download full textMarshall, Jon C.; Powers, Jerry M.
A study was conducted to: (1) determine the simple and multiple correlation coefficients between selected educational/personal variables and academic achievement at intermediate grade levels as measured by the Iowa Tests of Basic Skills; (2) determine the multiple linear regression equations for predicting individual student achievement as…
Descriptors: Academic Achievement, Age, Arithmetic, Correlation
