Search results for author:"Jeffrey D. Kromrey"
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Randomly Missing Data in Multiple Regression: An Empirical Comparison of Common Missing Data Treatments
Jeffrey D. Kromrey; Constance V. Hines
An investigation of the effects of randomly missing data in two-predictor regression analyses is described. The differences in the effectiveness of five common treatments of missing data on estimates of R-squared values and each of the two...
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Screening Items for Bias: An Empirical Comparison of the Performance of Three Indices in Small Samples of Examinees
Jeffrey D. Kromrey; Cynthia G. Parshall
A Monte Carlo study was conducted to compare the performance of three statistical indices of test item bias in small samples of examinees. The statistical indices compared were the Delta method, the Mantel-Haenszel (MH) method, and the...
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An Empirical Investigation of Equating Stability in a Single and a Double Linkage Design with Small Sample Sizes Using Angoff Model IV
Pansy Du Bose; Jeffrey D. Kromrey
Empirical evidence is presented of the relative efficiency of two potential linkage plans to be used when equivalent test forms are being administered. Equating is a process by which scores on one form of a test are converted to scores on another...