Assuming that other factors are held constant, which approach would tend to increase the likelihood of rejecting the null hypothesis? a. Decrease the sample mean difference. b. Increase the sample variance. c. Increase the sample mean difference. d. Decrease the sample size.
Added by Katherine F.
Step 1
To reject the null hypothesis, we need to find evidence that there is a significant effect or difference between groups. a. Decreasing the sample mean difference would make the groups more similar, making it less likely to reject the null hypothesis. b. Show more…
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