PSYC 2317 QUIZ 10

PSYC 2317 QUIZ 10 Question 1 5 out of 5 points A clinical researcher was interested in determining whether her interventions for depression were effective in minimizing depression symptoms among her participants. To assess the effectiveness of her treatment program, she administered a depression inventory prior to treatment and after treatment. She hypothesized that depression scores would be lower at time two compared to time one. She then compared the mean differences between the two groups and found that her treatment was effective. Which statistical test was the researcher MOST likely to have used to test her hypothesis? Selected Answer: paired-samples t test Answers: single-sample t test z test independent-samples t test paired-samples t test Question 2 5 out of 5 points If two sample means come from the exact same distribution, then the distribution of differences between means