In a 1977 study smith amp glass a correlation of 32 was, Ask an Expert

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In a 1977 study (Smith & Glass), a correlation of .32 was found between whether or not an individual had psychotherapy and whether or not his or her condition improved. For this study, r² .10, meaning that psychotherapy could account for only 10% of the variability in results. Are you impressed with the results? Why or why not?

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