Question 180 out of 5 pointsIncreasing sample size does NOT:Selected Answer:increase statistical power.Answers:increase statistical power.decrease standard error.increase the magnitude of the test statistic.increase effect size.

Question 195 out of 5 points

When Cohen's d is large (based on Cohen's conventions), the amount of overlap between the two distributions being compared is less than:

Question 205 out of 5 pointsIt is known that the population mean for the verbal section of the SAT is 500 with a standard deviation of 100. In 2006, a sample of 400 students whose family income was between $70,000 and $80,000 had an average verbal SAT score of 511. The point estimate of the mean for this group is _____, and the 95 percent confidence interval for this group is _____.

Question 15 out of 5 pointsMeta-analysis involves:

Question 25 out of 5 pointsAccording to Cohen's convention, a value of _____ is a small effect size.Selected Answer:

0.2Answers:0.20.50.8340

Question 30 out of 5 pointsThe statement “The findings based on a sample of 1000 participants were statistically significant, providing evidence for the hypothesis” would be strengthened by:

Question 40 out of 5 pointsWhen Cohen's d is large (based on Cohen's conventions), the amount of overlap between the two distributions being compared is less than: