In a study of the effect of daily exercise on happiness suppose we found that happiness (rated on a 25-point scale) was significantly higher (p = .03) for a group that exercised daily (M = 21.50) than for a group that exercised once a week (M = 15.50). We could interpret the practical significance of this study as ______.

A. weak because the happiness scores may not really represent the participants’ sense of happiness
B. strong because the average happiness ratings are very different and we could assume that the participants would notice the different levels of happiness that the ratings represent
C. strong because we found a statistical significance in the happiness ratings
D. unimportant because the participants will probably not continue to exercise in the future


Ans: B

Psychology

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