ERIC Number: EJ594307
Record Type: Journal
Publication Date: 1998
Reference Count: N/A
A Comparison of Procedures To Detect Item Parameter Drift.
Isham, Steven P.; Donoghue, John R.
Applied Psychological Measurement, v22 n1 p33-51 Mar 1998
Used Monte Carlo methods to compare several measures of item-parameter drift, manipulating numbers of examinees and items and numbers of drift items. Overall, Lord's chi square (F. Lord, 1968) measure was the most effective in identifying items that exhibited drift. Discusses the usefulness of other methods. (SLD)
Publication Type: Journal Articles; Reports - Evaluative; Speeches/Meeting Papers
Education Level: N/A
Authoring Institution: N/A