There is significant potential for error in long production processes that consist of sequential stages, each of which is heavily dependent on the previous stage, such as the SER (Scoring, Equating, and Reporting) process. Quality control procedures are required in order to monitor this process and to reduce the number of mistakes to a minimum. In…

The development and validation of professional development resource materials for teachers by the National Council on Measurement in Education and associated professional groups is described. The developed module contains a context-orienting vignette, instruction, practice exercises, hands-on experiences, small group topics, and homework problems.…

This instructional module presents and illustrates rules for designing performance assessments in a step-by-step strategy through: (1) reason for the assessment; (2) type of performance evaluated; (3) exercises to elicit performance; and (4) systematic rating procedures. Guidelines for maximizing reliability, validity, and economy are presented.…

This instructional module discusses the one-, two-, and three-parameter logistic item response theory (IRT) models. Mathematical formulas are given for each model and they are compared, with figures illustrating the effects of changing parameters. A single data set is used to demonstrate the effects of changing parameter values. (SLD)