The article reviews current estimation techniques and their resultant effects on the learning disability classroom's composition. An alternate estimation methodology, using z-score conversions, is presented. (Author/SBH)

Procedures for correcting for guessing and for assessing partial knowledge (correction-for-guessing, three-decision scoring, elimination/inclusion scoring, and confidence or probabilistic scoring) are discussed. Mean scores and internal consistency reliability estimates were compared across three administration and scoring procedures for…

An elementary survey of item characteristic curve theory, centered around the problems of individualized (tailored) testing, is presented. Following the introduction, discussions are provided of the following: Test Theory for Itemized Tests; The Guttman Scale; Item Characteristic Curve Theory; An Alternative Model; Specialization, Application, and…

The Elementary and Secondary Education Act Title I Evaluation and Reporting System is a method for giving a federally funded project in reading or math an overall score on its cognitive effectiveness. This System introduced the Normal Curve Equivalent (NCE) as an aid in aggregating Title I program scores across states and nationwide regardless of…