Marilyn S. Wingersky

• A consideration for variable length adaptive tests
• An investigation of methods for reducing sampling error in certain IRT procdures
• Efficiency of estimation when there is only one common factor
• One-stage LOGIST
• Significant improvements to LOGIST
• Specifying the characteristics of linking items used for item response theory item calibration
• Using estimated item observed-score regressions to test goodness-of-fit of IRT models