=+1. If you have a full-featured SEM program, analyze the series of full homework models starting with the model shown in Figure 1. Make sure your results match those presented here. If you are using a student version of a program that places a limit on the number of variables you can analyze, try eliminating the Ethnicity variables, Family Income, and the Science and History Test and Grades variables. Estimate this smaller model; compare your results to those presented in this chapter. Are the results similar?