Estimating item characteristic curves

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Estimating item characteristic curves

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1979

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A simulation study of the effectiveness of four item characteristic curve estimation programs was conducted. Using the three-parameter logistic model, three groups of 2,000 simulated subjects were administered 80-item tests. These simulated test responses were then calibrated using the four programs. The estimated item parameters were compared to the known item parameters in four analyses for each program in all three data sets. It was concluded that the selection of an item calibration procedure should be dependent on the distribution of ability in the calibration sample, the later uses of the item parameters, and the computer resources available.

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Previously Published Citation

Ree, Malcolm J. (1979). Estimating item characteristic curves. Applied Psychological Measurement, 3, 371-385. doi:10.1177/014662167900300309

Suggested citation

Ree, Malcolm James. (1979). Estimating item characteristic curves. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/99806.

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