Question: Use the information provided with each study to calculate and interpret the effect size and the confidence interval. Sprinthall proposed a relationship between introversion and

Use the information provided with each study to calculate and interpret the effect size and the confidence interval.

Sprinthall proposed a relationship between introversion and mathematics ability. He had 20 college students take an introversion test (lower numbers mean more introverted). He then had the students take a mathematics aptitude test (higher numbers mean more aptitude). The resulting correlation was -.48.

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