Ledyard R. Tucker

1910

• Formal models for a central prediction system
• A base-free measure of change
• A simulation-Monte Carlo study of item difficulty measures delta and D.6
• An individual differences model for multidimensional scaling
• Determination of generalized learning curves by factor analysis; a technical report. --
• Developments in classical item analysis methods
• The measurement of the relative appeal of military service programs
• Transformation of factors by artificial personal probability functions