The specifications in SPSS using, “Analyze”, followed by selecting “Compare means” from the drop down menu and choosing “Independent samples t Test” will allow you to:
a. find the mean difference between the pretest scores and posttest scores of one group only
b. find the mean difference between the posttest scores of one group and compare it to a threshold group
c. find the mean difference in gain between two different groups
d. compute correlations
Ans: C
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