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You read in the results section of an article in a psychology journal that the results...

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Basic Math

You read in the results section of an article in a psychologyjournal that the results of at-test for independent sample meansrevealed a significant t12 = 1.8, with ?ˆX1?X2 = 2. If there were 8participants in the experimental group,

(a) how many participants were in the corresponding controlgroup?

(b) what significance level was used, and was the test aone-tailed or a two-tailed test?

(c) what was the mean difference between the experimental andthe control groups?

Answer & Explanation Solved by verified expert
3.6 Ratings (513 Votes)
From the provided information t1218 sothe degree of freedom df 12aLet the number of participants in the corresponding controlgroup n1And    See Answer
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