A psychology professor uses three different methods of instruction in three small classes, with the assignment of
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(a) Perform the appropriate test to compare each possible pair of groups and, in each case, state which group had the higher scores and whether the results were statistically significant at the .01 as well as the .05 level.
(b) Calculate the appropriate measure of the strength of relationship between method of instruction and examination scores for each pair of groups, and comment briefly on the apparent size of the effect.
Transcribed Image Text:
Group 1 Group 2||Group 3 60 |86 94 42 97 97 96 |61 100 73 72 57 40 99 93 63 96 90 87 98 92 65 97 67
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a Group 1 versus 2 T 1 825 T E 64 T 864 z 825 64864 214 p 05 Group 1 h...View the full answer
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Related Book For
Introductory Statistics For The Behavioral Sciences
ISBN: 9780470907764
7th Edition
Authors: Joan Welkowitz, Barry H. Cohen, R. Brooke Lea
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