A set of n = 25 pairs of scores (X and Y values) has a Pearson correlation of r = 0.80. How much of the variance for the Y scores is predicted by the relationship with X?

A) ?0.36 or 36%
B) ?0.20 or 20%
C) ?0.80 or 80%
D) ?0.64 or 64%

D

Psychology

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Compared with genetic disorders associated with chromosomes other than the sex chromosomes, disorders involving sex chromosomes have relatively mild effects on cognition

a. True b. False Indicate whether the statement is true or false

Psychology

From a biological perspective, children's ability to ________ information improves due to maturation of the ________.

A. consolidate, prefrontal cortex B. retrieve; hippocampus C. manipulate; hippocampus D. encode; prefrontal cortex

Psychology