Question 72.5 out of 2.5 pointsIn a within-groups design where one group is measured twice over time, the appropriate hypothesis test is a(n):
Question 80 out of 2.5 pointsThe comparison distribution for an independent-samples t test is a distribution of:
Question 92.5 out of 2.5 pointsAccording to the null hypothesis, the mean difference for the comparison distribution in a paired-samples t test is:
Question 102.5 out of 2.5 pointsA study found statistically significant results for a hypothesis tested with an independent-samples t test. The author of the study reported her effect size for the test as 1.24. What is true of the two sample means?
Question 112.5 out of 2.5 pointsWe have learned three t tests, including all of the following except:
Question 122.5 out of 2.5 pointsFollowing are the results of an independent-samples t-test: t(18) = –2.11, p < 0.05. The results are: