Descriptor
| Estimation (Mathematics) | 2 |
| Simulation | 2 |
| True Scores | 2 |
| Item Bias | 1 |
| Regression (Statistics) | 1 |
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| Journal Articles | 2 |
| Reports - Descriptive | 2 |
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Peer reviewedBaker, Frank B. – Applied Psychological Measurement, 1997
Describes an idiosyncracy of the MULTILOG (D. Thissen, 1991) parameter estimation process discovered during a simulation study involving the graded response model. A misordering reflected in boundary function location parameter estimates resulted in a large negative contribution to the true score followed by a large positive contribution. These…
Descriptors: Estimation (Mathematics), Simulation, True Scores
Peer reviewedJiang, Hai; Stout, William – Journal of Educational and Behavioral Statistics, 1998
Proposes a new regression correction for the SIBTEST statistical tests (R. Shealy and W. Stout, 1993) that essentially uses a two-segment piecewise linear regression of the true on observed matching subtest scores. A simulation study illustrates the approach. (SLD)
Descriptors: Estimation (Mathematics), Item Bias, Regression (Statistics), Simulation
