ERIC Number: EJ615865
Record Type: Journal
Publication Date: 2000
Reference Count: N/A
Psychometric Properties of Scale Scores and Performance Levels for Performance Assessments Using Polytomous IRT.
Wang, Tianyou; Kolen, Michael J.; Harris, Deborah J.
Journal of Educational Measurement, v37 n2 p141-62 Sum 2000
Describes procedures for calculating conditional standard error of measurement (CSEM) and reliability of scale scores and classification of consistency of performance levels. Applied these procedures to data from the American College Testing Program's Work Keys Writing Assessment with sample sizes of 7,097, 1,035, and 1,793. Results show that the procedures produce quite stable estimates. (SLD)
Publication Type: Journal Articles; Reports - Descriptive; Reports - Evaluative
Education Level: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: Work Keys (ACT)