Evaluation With Artificial Data of a Procedure for Estimating Ability and Item Characteristic Curve Parameters
- Author(s):
-
Lord, Frederic M.
- Publication Year:
- 1975
- Report Number:
-
RB-75-33
- Source:
-
ETS Research Bulletin
- Document Type:
- Report
- Page Count:
- 64
- Subject/Key Words:
-
National Science Foundation (NSF),
Computer Software,
Data Analysis,
Item Response Theory,
Models,
Statistical Analysis
Abstract
The LOGIST computer program was tested out on various sets of artificial data, giving a picture of the accuracy with which different parameters are estimated. A likelihood ratio test for the fit of the model to the data is explored and found not satisfactory. (64pp.)
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