Question: 3. In the section introducing overidentifying models, I stated that not drawing a path is the same as drawing a path and fixing or constraining
3. In the section introducing overidentifying models, I stated that “not drawing a path is the same as drawing a path and fixing or constraining that path to a value of zero.”
Demonstrate the truth of this statement. Using the homework model, constrain, for example, the path from Previous Achievement to Grades to zero and check the fit of the model. Now delete that same path. Is the fit the same? Are the parameter estimates the same for the two models?
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