PSY 290 Quiz 5 Exam, Questions with Answers (All 100% Correct)

PSY 290 Quiz 5 Exam, Questions with Answers (All 100% Correct)Question 1 2 out of 2 points An experimental design involves comparing psychology majors and history majors on a measure of study skills and course performance at the end of the semester. Given that the experimenter is unable to randomly assign students to a major (psychology or history) because the variables are selected after they have occurred; this is an example of a(n) Selected Answer: ex post facto design. Answers: independent-samples design. ex post facto design. qualitative research study. counterbalanced design.  Question 2 2 out of 2 points After conducting a multiple-group design experiment, which of the following would suggest that you should conduct a post hoc test of comparison? Selected Answer: The one-way ANOVA has a significant F ratio. Answers: The one-way ANOVA has an insignificant F ratio The one-way ANOVA has a significant F ratio. The correlation coefficient is insignificant. The assumption of homogeneity is significant.  Question 3 0 out of 2 points If the F value of your ANOVA equals 0.24, you would interpret Selected Answer: no effect of extraneous variables. Answers: a strong effect of the independent variable. no effect of extraneous variables. a strong effect of the dependent variable. no effect of the independent variable.  Question 4 0 out of 2 points A clinical psychologist investigating a new therapy technique randomly assigns participants to receive Therapy A, Therapy B, Therapy A and B combined, or no therapy. The researcher is utilizing which design?