Question: 3. Figure 18.26 shows a dummy variable model designed to test the effect of Sex on the change in Locus of Control from 8th to

3. Figure 18.26 shows a dummy variable model designed to test the effect of Sex on the change in Locus of Control from 8th to 10th grade (or 10th-grade Locus controlling for 8th-grade Locus). Analyze the model using the NELS data. You should recode the Sex variable or create a new Sex dummy variable so that boys are coded 0 and girls 1. Analyze the model. Do boys or girls have higher (more internal) locus of control in 10th grade?

Analyze a MG-MACS version of this model. Test both for intercept differences and for differences in the effect of Achievement on Locus of Control in 10th grade.

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