1. A researcher is interested in the effects of gender on alcohol use.

1. A researcher is interested in the effects of gender on alcohol use.
What is the independent variable(s)? (Points : 3)



Question 2. 2. A researcher is interested in the effects of gender on alcohol use.
What is the dependent variable(s)? (Points : 3)



Question 3. 3. A researcher is interested in the effects of gender on alcohol use.
Which statistical test is most appropriate? (Points : 5)



Question 4. 4. A researcher is interested examining the effects of both type of high school attended (private vs. public) and personality (introvert vs. extravert) on GPA.
What is the independent variable(s)? (Points : 3)



Question 5. 5. A researcher is interested examining the effects of both type of high school attended (private vs. public) and personality (introvert vs. extravert) on GPA.
What is the dependent variable? (Points : 3)



Question 6. 6. A researcher is interested examining the effects of both type of high school attended (private vs. public) and personality (introvert vs. extravert) on GPA.
Which statistical test is most appropriate? (Points : 5)



Question 7. 7.
A psychologist wants to test a new diet and exercise program. One group serves as a control group and receives no treatment. A second group exercises only. A third group diets only and the fourth group uses diet and exercise. Weight is measured before and after treatment.
What is the independent variable(s)? (Points : 3)



Question 8. 8.
A psychologist wants to test a new diet and exercise program. One group serves as a control group and receives no treatment. A second group exercises only. A third group diets only and the fourth group uses diet and exercise. Weight is measured before and after treatment.
What is the dependent variable? (Points : 3)



Question 9. 9.
A psychologist wants to test a new diet and exercise program. One group serves as a control group and receives no treatment. A second group exercises only. A third group diets only and the fourth group uses diet and exercise. Weight is measured before and after treatment.
Which statistical test is most appropriate? (Points : 5)



Question 10. 10. I want to know if you learned anything this semester. I can compare your pretest scores to your final exam (posttest) scores to determine if the scores improved.
What is the independent variable(s)? (Points : 3)



Question 11. 11. I want to know if you learned anything this semester. I can compare your pretest scores to your final exam (posttest) scores to determine if the scores improved.
What is the dependent variable? (Points : 3)



Question 12. 12. I want to know if you learned anything this semester. I can compare your pretest scores to your final exam (posttest) scores to determine if the scores improved.
Which statistical test is most appropriate? (Points : 5)



Question 13. 13. A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
What is the independent variable(s)? (Points : 3)



Question 14. 14. A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
What is the dependent variable? (Points : 3)



Question 15. 15. A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
Which statistical test is most appropriate? (Points : 5)



Question 16. 16. I want to know if GPA is related to SAT scores.
Which statistical test is most appropriate? (Points : 5)



Question 17. 17. A researcher wants to know if her sample of students test scores (M = 87) differ from other college students (µ = 85, s = 5).
Which statistical test is most appropriate? (Points : 5)



Question 18. 18. A researcher wants to know if the number of males and females in her class is the same as what we would expect by chance.
Which statistical test is most appropriate? (Points : 5)



Question 19. 19. What is the primary difference between a within subjects and between subjects design? Give an example of a statistical test used for a within subjects design and an example of a test used for a between subjects design. (Points : 10)



Question 20. 20. When do you use a chi square test? Describe the null and alternative hypothesis for a chi square test. (Points : 5)



Question 21. 21. Describe the difference between a true experiment and a quasi experiment. (Points : 5)



Question 22. 22. Explain the advantages and disadvantages of repeated measures (within subjects) designs. (Points : 5)



Question 23. 23. Define mixed designs and name two assumptions of mixed designs. (Points : 5)