Theories of Data Analysis and Statistical Inference.- The Current Design and Analysis.- Psychometric and Survey Models.- Technical Reports - Data Analyses and Simulation Studies.- 1986 NAEP Math Survey.- Analysis of All 1986Math Iems.- 2005 NAEP Math Survey - Texas.- 2005 NAEP Math Survey - California.- Conclusions.- 1986 Survey Results, 30 Item Subscale.- 1986 Survey Results, Full 79 Items.- Model Parameter Estimates and SEs, 2005 Texas Survey.- Model Parameter Estimates and SEs, 2005 California survey.