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Suppose I have a Primary GradeAdjustment Test that I'm interested in using to predict social adjustment in primary grade school (PGAT). Teacher assignments to social

Suppose I have a Primary GradeAdjustment Test that I'm interested in using to predict social adjustment in primary grade school (PGAT). Teacher assignments to social adjustment for a group of 50 students is regressed on age first (obtained R2 value of 0.15,) and then on test score (obtained R2 value of 0.40). What would the conclusions be?

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