Priming Two researchers conducted a study in which two groups of students were asked to answer 42 trivia questions from a board game. The students in group 1 were asked to spend 5 minutes thinking about what it would mean to be a professor, while the students in group 2 were asked to think about soccer hooligans. These pretest thoughts are a form of priming. The 200 students in group 1 had a mean score of 25.4 with a standard deviation of 4.9, while the 200 students in group 2 had a mean score of 15.2 with a standard deviation of 3.

(a) Determine the 90% confidence interval for the difference in scores, . Interpret the interval.

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(b) What does this say about priming?


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