Boosting Memory Recall: The Picture Superiority Effect

Abstract

Week 4 Assignment: Running and Reporting t-Tests Written Response Worksheet NAME: Instructions: Follow along with the step-by-step instruction manual provided for the Week 4 assignment. The instruction manual will make specific reference to data interpretation questions that require written responses. Use this worksheet to answer these written response questions. Each question is listed below along with the number of points each question is worth toward the assignment. Type your response in the space provided below each question. PART I: EXPERIMENT 1 QUESTION 1 2 points Based on the output, should you be concerned about meeting the normality assumption for the independent-samples t-test? In your response, make reference to what statistics or figures you used in your output to reach this decision. QUESTION 2 2 points Based on the output, should you be concerned about meeting the homogeneity of variance assumption for the independent-samples t-test? In your response, make reference to what statistics or figures you used in your output to reach this decision. QUESTION 3 2 points Based on the group means on recall and variability in recall scores, what do you expect to find when you run the independent-samples t-test? QUESTION 4 2 points Write out the null and alternative hypothesis for the independent-samples t-test examining if the population mean recall for words presented as pictures is different than words presented as text. Set α = .05, and conduct a two-tailed test. Null Hypothesis: Alternative Hypothesis: QUESTION 5 2 points In your independent-samples t-test output for Experiment 1, examine the Levene’s test for equality of variances. Based on these test results, does our data have problems meeting the equality of variance assumption? Should you use the equal variances assumed test results or the equal variances not assumed test results? QUESTION 6 2 points Based on your independent-samples t-test output for Experiment 1, what were the results of the t-test? Indicate whether the test was statistically significant or not, and state whether you would reject or fail to reject...