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An Analytical Approach to Generating Norms for Skewed Normative Distributions.

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Wang, Jing-Jen – 1992

Approaches for norming skewed test score distributions are reviewed, and an analytical approach is proposed for norming the Behavior Assessment System for Children (BASC). Methods used in constructing norms for several well-known personality instruments that are reviewed include: (1) linear T-scores transformation in the Minnesota Multiphasic…

Descriptors: Computer Assisted Testing, Computer Oriented Programs, Inferences, Personality Measures

A Comparison of Item Parameter Estimates and Ability Parameter Estimates Obtained by Different Methods Implemented by BILOG.

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Buhr, Dianne C.; Algina, James – 1986

The focus of this study is on the estimation procedures implemented in BILOG, a computer program. One purpose is to compare the item parameter estimates produced by various procedures available in BILOG. Four different models are used: the one, two, and three parameter model and a three parameter model with common guessing parameters. The results…

Descriptors: Ability, Bayesian Statistics, Comparative Analysis, Computer Oriented Programs