Accession Number:

AD0735499

Title:

A Computer Program for Estimating Item Characteristic Curve Parameters Using Birnbaum's Three-Parameter Logistic Model

Descriptive Note:

Technical rept.

Corporate Author:

EDUCATIONAL TESTING SERVICE PRINCETON NJ

Personal Author(s):

• Lees, Diana M.
• Wingersky, Marilyn S.
• Lord, Frederick M.

Report Date:

1972-01-01

Pagination or Media Count:

45.0

Abstract:

A computer program is described that uses maximum likelihood methods to estimate item parameters under the three-parameter logistic model for item characteristic curves. The procedure also estimates examinee ability levels.

Descriptors:

• *COMPUTER PROGRAMS
• *PSYCHOMETRICS
• PROBABILITY
• NUMERICAL ANALYSIS
• RELIABILITY
• CONVERGENCE
• INSTRUCTION MANUALS
• REACTION(PSYCHOLOGY)
• CONTROL SEQUENCES

Subject Categories:

• Psychology
• Computer Programming and Software

Distribution Statement:

APPROVED FOR PUBLIC RELEASE