Questions:
For each of the research questions below, identify the variables and the method of analysis to best answer the question.
Present your answer with the following template where IV= Independent Variable(s) and DV= Dependent Variable(s). For each Variable identify if it is continuous or categorical/dichotomous, or not applicable n/a to help you identify the best method:
IV=
DV=
Best method of analysis=
1. Do mental health counselors with doctoral degrees earn a higher yearly income than those with masters degrees 5 years post graduation? Provide the IV, DV, Covariate, and best method of analysis.
IV=
DV=
Best method of analysis=
2. Are patient depression scores different depending on patient's family status: single, married, or married with children? Provide the ?IV, DV, Covariate, and best method of analysis.
IV=
DV=
Best method of analysis=
3. What are the effects of training group (blue, red or yellow group) and gender on work performance scores? Provide the IV, DV, Covariate, and best method of analysis
IV=
DV=
Best method of analysis=
4. Taking into consideration SAT scores, is there a difference in the first year GPA for students who have or have not selected a major by the end of the first year? Provide the IV, DV, Covariate, and best method of analysis.
IV=
DV=
Best method of analysis=
5. Is there a relationship between age and hours of sleep? Provide the IV, DV, Covariate, and best method of analysis.
6. How much of the variance in annual income can be explained by years of education, and years of experience and which is a better predictor of yearly income? Provide the IV, DV, Covariate, and best method of analysis.
7. Is there a relationship between years of education and income? Provide the IV, DV, Covariate, and best method of analysis
8. Does SAT score predict GPA at the end of Freshman year in college? Provide the IV, DV, Covariate, and best method of analysis.
9. Is BMI score or time spent exercising a better predictor of physical fitness scores? Provide the IV, DV, Covariate, and best method of analysis.
10. Is there a significant decrease in body weight for patients after participating in a 7 week special weight loss diet? Provide the IV, DV, Covariate, and best method of analysis.
11. What is the relationship between gender (male/female) and high school degree (yes/ no)? Provide the IV, DV, Covariate, and best method of analysis
12. Does the distribution of the educators (highschool, college, and graduate school) attending the conference differ than what one would expect by chance? Provide the IV, DV, Covariate, and best method of analysis.
13. Is there a difference in SAT scores for high school seniors attending Bass High, Flounder High and Minnow High? Provide the IV, DV, Covariate, and best method of analysis
14. Is there a relationship between job satisfaction and vacation time? Provide the IV, DV, Covariate, and best method of analysis.
15. Does the amount of vacation days predict greater job satisfaction? Provide the IV, DV, Covariate, and best method of analysis.
16. Is salary or perceived job stability (on a scale of 1-10) a better predictor of job satisfaction scores? Provide the IV, DV, Covariate, and best method of analysis
17. What is the relationship between college degree (yes/no) and employment full time (yes/no)? Provide the IV, DV, Covariate, and best method of analysis.
18. Does the distribution of college majors at This University (psychology, education or business) differ from the expected 20%, 20%, 60% respectively? Provide the IV, DV, Covariate, and best method of analysis.
19. The CEO of Company Z recommends that employee breakdown should be : 10% upper management, 20% lower management and 70% sales representatives. Does the current employee breakdown abide by the CEO's recommendation? Provide the IV, DV, Covariate, and best method of analysis
20. Jim is retaking statistics as part of his doctoral program. On his final in his MA program, he received a 225. The class mean of 230 and standard deviation of 12 were published. Jim just received his current stats final grade of 260, where the class mean is 245 and standard deviation is
21. How do Jim's scores compare? Which was better? Provide the IV, DV, Covariate, and best method of analysis
22. Are the Mini Mental Status scores for the elders in Unit 2 significantly lower than the minimum normal score of 25 points. Provide the IV, DV, Covariate, and best method of analysis.
23. Do 2nd graders who use computer games to study spelling words perform better on their spelling tests than those who do not use computer games? Provide the IV, DV, Covariate, and best method of analysis
24. Did the June marketing campaign for Happiness products increase their sales from rates in May versus sale rates in July? Provide the IV, DV, Covariate, and best method of analysis.
25. Is there a difference in computer proficiency skills for employees who are under 35, between 35-49 and 50 and over? Provide the IV, DV, Covariate, and best method of analysis.
26. What are the effects of daily amount of TV viewing (2 hours) on reading comprehension scores for elementary school children (first, second and third grade)? Provide the IV, DV, Covariate, and best method of analysis
27. Is there a significant difference in the acceptance rate to the Psychology graduate program for participants with and without experience working with mentally ill patients when controlling for age? Provide the IV, DV, Covariate, and best method of analysis.
28. Is there a difference in the amount of Barry Motter movie tickets sold to people who are: under the age of 18 years, between 19-24 years or 25-30 years? Provide the IV, DV, Covariate, and best method of analysis.
29. What are the effects of degree (BA, MBA, DBA) and years of experience at 1, 5 and 10 years on salary? Provide the IV, DV, Covariate, and best method of analysis.
30. After controlling for years of depression, is there a difference in depression scores for patients who have completed 3 months of behavior therapy, cognitive therapy or drug therapy? Provide the IV, DV, Covariate, and best method of analysis.
31. Is there a significant decrease in body weight for patients after participating in a 7 week special weight loss diet? Provide the IV, DV, Covariate, and best method of analysis.
32. What is the relationship between gender (male/female) and highschool degree (yes/ no)? Provide the IV, DV, Covariate, and best method of analysis.
33. Does the distribution of the educators (highschool, college, and graduate school) attending the conference differ than what one would expect by chance? Provide the IV, DV, Covariate, and best method of analysis.
34. Is there a difference in SAT scores for high school seniors attending Bass High, Flounder High and Minnow High? Provide the IV, DV, Covariate, and best method of analysis.
35. Is there a relationship between job satisfaction and vacation time? Provide the IV, DV, Covariate, and best method of analysis.
36. Does the amount of vacation days predict greater job satisfaction? Provide the IV, DV, Covariate, and best method of analysis.
37. Is salary or perceived job stability (on a scale of 1-10) a better predictor of job satisfaction scores? Provide the IV, DV, Covariate, and best method of analysis. (Points : 6)
38. What is the relationship between college degree (yes/no) and employment full time (yes/no)? Provide the IV, DV, Covariate, and best method of analysis
39. Does the distribution of college majors at This University (psychology, education or business) differ from the expected 20%, 20%, 60% respectively? Provide the IV, DV, Covariate, and best method of analysis.
40. The CEO of Company Z recommends that employee breakdown should be : 10% upper management, 20% lower management and 70% sales representatives. Does the current employee breakdown abide by the CEO's recommendation? Provide the IV, DV, Covariate, and best method of analysis.
41. Jim is retaking statistics as part of his doctoral program. On his final in his MA program, he received a 225. The class mean of 230 and standard deviation of 12 were published. Jim just received his current stats final grade of 260, where the class mean is 245 and standard deviation is 17. How do Jim's scores compare? Which was better? Provide the IV, DV, Covariate, and best method of analysis
42. Are the Mini Mental Status scores for the elders in Unit 2 significantly lower than the minimum normal score of 25 points. Provide the IV, DV, Covariate, and best method of analysis.
43. Do 2nd graders who use computer games to study spelling words perform better on their spelling tests than those who do not use computer games? Provide the IV, DV, Covariate, and best method of analysis
44. Did the June marketing campaign for Happiness products increase their sales from rates in May versus sale rates in July? Provide the IV, DV, Covariate, and best method of analysis.
45. Is there a difference in computer proficiency skills for employees who are under 35, between 35-49 and 50 and over? Provide the IV, DV, Covariate, and best method of analysis.
46. What are the effects of daily amount of TV viewing (2 hours) on reading comprehension scores for elementary school children (first, second and third grade)? Provide the IV, DV, Covariate, and best method of analysis
47. Is there a significant difference in the acceptance rate to the Psychology graduate program for participants with and without experience working with mentally ill patients when controlling for age? Provide the IV, DV, Covariate, and best method of analysis.
48. Is there a difference in the amount of Barry Motter movie tickets sold to people who are: under the age of 18 years, between 19-24 years or 25-30 years? Provide the IV, DV, Covariate, and best method of analysis.
49. What are the effects of degree (BA, MBA, DBA) and years of experience at 1, 5 and 10 years on salary? Provide the IV, DV, Covariate, and best method of analysis
50. After controlling for years of depression, is there a difference in depression scores for patients who have completed 3 months of behavior therapy, cognitive therapy or drug therapy? Provide the IV, DV, Covariate, and best method of analysis.