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Computer Simulation	2
Item Analysis	2
Correlation	1
Error of Measurement	1
Goodness of Fit	1
Guessing (Tests)	1
Latent Trait Theory	1
Mastery Tests	1
Power (Statistics)	1
Pretests Posttests	1
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Educational and Psychological…

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Harris, Deborah J.	1
Smith, Richard M.	1
Subkoviak, Michael J.	1

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The Distributional Properties of Rasch Standardized Residuals.

Peer reviewed

Smith, Richard M. – Educational and Psychological Measurement, 1988

This study investigated the distributional properties of the standardized residual that is commonly used in the Rasch model calibration program to develop various indices of item and person fit. The power of the standardized residual to detect measurement disturbances is also addressed. (TJH)

Descriptors: Computer Simulation, Error of Measurement, Goodness of Fit, Guessing (Tests)

Item Analysis: A Short-Cut Statistic for Mastery Tests.

Peer reviewed

Harris, Deborah J.; Subkoviak, Michael J. – Educational and Psychological Measurement, 1986

This study examined three statistical methods for selecting items for mastery tests: (1) pretest-posttest; (2) latent trait; and (3) agreement statistics. The correlation between the latent trait method and agreement statistics, proposed here as an alternative, was substantial. Results for the pretest-posttest method confirmed its reputed…

Descriptors: Computer Simulation, Correlation, Item Analysis, Latent Trait Theory