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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- http://dx.doi.org/10.1002/j.2333-8504.1975.tb01073.x