1. Analyze the series of full homework models starting with the model shown in Figure 18.1. Make sure your results match those presented here (minor differences may occur in different programs). 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 Ethnic 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?

a. Study the parameter estimates and standard errors, the fit statistics, modification indexes, and standardized residuals. Are there changes that you might make to the model? Are they theoretically justifiable?

b. Interpret the model. Be sure to interpret the indirect and total effects in addition to the direct effects.

c. Compare the model with the two competing models discussed in this chapter (the Direct Background Effects model and the No Homework Effect model).

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Eisenberg et al. Model Specification Expressivity Observed Mother's Positive Expressivity Expressivity Self-Report Child's Externalizing Behavior Problems Child's Regulation Child's Social Competence Mother Report Teacher Report Mother Report Teacher Report d3 Mother Report Teacher Report d2 Figure 18.23 Model testing the effects of Mother's emotional expression on child outcomes. The model is drawn from Eisenberg et al., 2001.