What does squaring Pearson's r give us? A) the change in Y associated with a one unit change in X B) the proportional reduction in error for predicting Y when we have knowledge of X C) a clear index of relationship strength based on whether r² is between 0 and 0.1, 0.1 and 0.3, or over 0.3 D) a clear index of relationship strength based on whether r² is less than or greater than 0.5

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Quizplus · Accepted Answer

Squaring Pearson's r gives us the coefficient of determination (r²), which represents the proportion of variance in the dependent variable that is predictable from the independent variable, indicating the proportional reduction in error for predicting Y when we have knowledge of X.

What Does Squaring Pearson's R Give Us