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Intro to Research Methods Pt 2

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41 slides

nickbagelboy

This slide set explores multivariate analyses, including regression limitations, beta coefficients, mediators vs. moderators, and the advantages of longitudinal designs in establishing causation.

Slides (41)

1 - Pick Answer 1. What is the main advantage of multivariate designs over bivariate designs in research?

1. a) Multivariate designs are more complex and therefore more impressive.
2. c) Multivariate designs allow researchers to study the relationship between more than two variables.
3. b) Multivariate designs allow researchers to study the relationship between two variables in greater detail.
4. d) Multivariate designs are easier to conduct than bivariate designs.
2 - Pick Answer 2. Which type of design examines the same variables in the same participants over multiple points in time?

1. d) Longitudinal design
2. a) Cross-sectional design
3. b) Autocorrelation design
4. c) Cross-lag correlation design
3 - Pick Answer 3. What does a cross-sectional correlation measure?

1. a) The relationship between two variables measured at different points in time.
2. b) The relationship between two variables measured at the same point in time.
3. c) The relationship between a variable and itself over time.
4. d) The relationship between a variable and a third variable.
4 - Pick Answer 4. What is an autocorrelation?

1. d) The relationship between a variable and a third variable.
2. b) The relationship between two variables measured at the same point in time.
3. a) The relationship between two different variables over time.
4. c) The relationship between a variable and itself over time.
5 - Pick Answer 5. What does a cross-lag correlation measure?

1. a) The relationship between two variables measured at different points in time.
2. b) The relationship between two variables measured at the same point in time.
3. c) The relationship between a variable and itself over time.
4. d) The relationship between a variable and a third variable.
6 - Pick Answer 6. What kind of design is represented by the diagram showing correlations between depressive affect, binge eating, and time?

1. c) Autocorrelation design
2. a) Cross-sectional design
3. b) Longitudinal design
4. d) Cross-lag correlation design
7 - Pick Answer 7. Which of the following criteria for causation can be addressed by longitudinal designs?

1. a) Temporal precedence
2. b) Covariance
3. c) Internal validity
4. d) Both A and B
8 - Pick Answer 8. What does a multiple regression analysis help researchers do?

1. a) Determine temporal precedence
2. b) Control for third variables
3. c) Establish causation
4. d) All of the above
9 - Pick Answer 9. What does the "beta" coefficient in a regression analysis indicate?

1. a) The strength of the relationship between two variables, regardless of other predictors.
2. b) The strength of the relationship between two variables, when controlling for other predictors.
3. c) The significance of the relationship between two variables.
4. d) The direction of the relationship between two variables.
10 - Pick Answer 10. If the beta coefficient for a predictor variable is close to 0, what does it suggest?

1. c) The predictor variable has a weak effect on the criterion variable.
2. a) The predictor variable has a strong effect on the criterion variable.
3. b) The predictor variable has no effect on the criterion variable.
4. d) The predictor variable has a negative effect on the criterion variable.
11 - Pick Answer 11. Which of the following is NOT a potential predictor for pregnancy risk?

1. b) Exposure to sex on TV
2. a) Age
3. c) Socioeconomic status
4. d) Political affiliation
12 - Pick Answer 12. What is a mediator variable?

1. a) A variable that explains the relationship between two other variables.
2. b) A variable that changes the relationship between two other variables.
3. c) A variable that is related to both the predictor and criterion variables.
4. d) A variable that is controlled for in a regression analysis.
13 - Pick Answer 13. What is a moderator variable?

1. a) A variable that explains the relationship between two other variables.
2. b) A variable that changes the relationship between two other variables.
3. c) A variable that is related to both the predictor and criterion variables.
4. d) A variable that is controlled for in a regression analysis.
14 - Pick Answer 14. Which of the following is NOT a key difference between mediators and moderators?

1. a) Mediators explain the relationship between two variables, while moderators change the relationship.
2. b) Mediators are measured in the middle of the original relationship, while moderators are not.
3. c) Mediators are typically independent variables, while moderators are typically dependent variables.
4. d) Both mediators and moderators can be controlled for in a regression analysis.
15 - Pick Answer 15. Which of the following is a key limitation of using regression analysis to control for third variables?

1. a) It cannot establish temporal precedence.
2. b) It cannot control for all possible third variables.
3. c) It cannot measure the strength of the relationship between variables.
4. d) It cannot be used to study complex relationships between variables.
16 - Pick Answer 16. What is temporal precedence?

1. a) The cause must occur before the effect.
2. b) The effect must occur before the cause.
3. c) The cause and effect must occur at the same time.
4. d) The cause and effect must be unrelated.
17 - Pick Answer 17. What is covariance?

1. a) The cause and effect must occur at the same time.
2. c) The cause and effect must be correlated.
3. b) The cause and effect must be unrelated.
4. d) The cause and effect must be independent.
18 - Pick Answer 18. What is internal validity?

1. a) The extent to which a study measures what it is intended to measure.
2. b) The extent to which a study can be generalized to other populations.
3. c) The extent to which a study can rule out alternative explanations for the observed relationship.
4. d) The extent to which a study is conducted in a controlled environment.
19 - Pick Answer 19. What is a criterion variable?

1. c) The variable that is being measured.
2. a) The variable that is being predicted or explained.
3. b) The variable that is being manipulated.
4. d) The variable that is being controlled for.
20 - Pick Answer 20. What is a predictor variable?

1. b) The variable that is being manipulated.
2. a) The variable that is being predicted or explained.
3. c) The variable that is being measured.
4. d) The variable that is being controlled for.
21 - Leaderboard
22 - Pick Answer 1. What is the main advantage of using multivariate designs in research?

1. a) They allow researchers to study the relationship between two variables.
2. b) They allow researchers to study the relationship between more than two variables.
3. c) They establish temporal precedence between variables.
4. d) They eliminate the possibility of third-variable explanations.
23 - Pick Answer 2. What type of design involves studying the same variables in the same participants at multiple points in time?

1. c) Cross-lag correlation design
2. b) Autocorrelation design
3. a) Cross-sectional design
4. d) Longitudinal design
24 - Pick Answer 3. What does an autocorrelation analysis assess?

1. a) The relationship between two variables measured at the same time.
2. b) The relationship between one variable and itself over time.
3. c) The relationship between earlier measures of one variable and later measures of another variable
4. d) The influence of a third variable on the relationship between two variables.
25 - Pick Answer 4. Which type of correlation examines the relationship between earlier measures of one variable and later measures of another variable?

1. d) Temporal precedence correlation
2. b) Autocorrelation
3. a) Cross-sectional correlation
4. c) Cross-lag correlation
26 - Pick Answer 5. In a longitudinal study, what does a stronger cross-lag correlation suggest?

1. d) A weaker possibility of a third variable influencing the relationship.
2. a) A stronger relationship between two variables at the same time.
3. b) A stronger relationship between one variable and itself over time.
4. c) A stronger possibility of one variable causing the other.
27 - Pick Answer 6. How do longitudinal designs address the criterion of temporal precedence for establishing causation?

1. b) By controlling for third variables.
2. a) By measuring variables at multiple time points.
3. c) By using statistical techniques like regression.
4. d) By establishing a strong correlation between variables.
28 - Pick Answer 7. What is the primary purpose of multiple regression analyses in research?

1. a) To establish temporal precedence between variables.
2. b) To identify third variables that might influence the relationship between two variables.
3. d) To determine the direction of causality between two variables.
4. c) To control for the influence of third variables on the relationship between two variables.
29 - Pick Answer 8. In a regression analysis, what does the beta coefficient represent?

1. a) The strength and direction of the relationship between a predictor variable and the criterion variable.
2. b) The strength and direction of the relationship between two predictor variables.
3. c) The overall effect of all predictor variables on the criterion variable.
4. d) The significance level of the regression model.
30 - Pick Answer 9. What does a beta coefficient close to zero indicate in a regression analysis?

1. d) A non-significant effect of the predictor variable on the criterion variable.
2. a) A strong relationship between the predictor variable and the criterion variable.
3. b) A weak relationship between the predictor variable and the criterion variable.
4. c) A significant effect of the predictor variable on the criterion variable.
31 - Pick Answer 10. What is the main limitation of regression analysis in establishing causation?

1. a) It cannot control for third variables.
2. b) It cannot establish temporal precedence.
3. c) It cannot determine the direction of causality.
4. d) It cannot measure the strength of the relationship between variables.
32 - Pick Answer 11. What is a mediator variable in research?

1. a) A variable that changes the relationship between two other variables.
2. b) A variable that explains the relationship between two other variables.
3. c) A variable that is influenced by both of the other variables.
4. d) A variable that is independent of the other two variables.
33 - Pick Answer 12. What is a moderator variable in research?

1. c) A variable that is influenced by both of the other variables.
2. a) A variable that explains the relationship between two other variables.
3. b) A variable that changes the relationship between two other variables.
4. d) A variable that is independent of the other two variables.
34 - Pick Answer 13. What is the main difference between mediators and moderators in research?

1. d) Mediators are influenced by both of the other variables, while moderators are not.
2. c) Mediators are independent of the other two variables, while moderators are not.
3. a) Mediators explain the relationship between two variables, while moderators change it.
4. b) Mediators change the relationship between two variables, while moderators explain it.
35 - Pick Answer 14. Which of the following is NOT a key feature of multivariate correlational research?

1. b) Establishing temporal precedence.
2. d) Determining the exact cause-and-effect relationships between variables.
3. a) Studying the relationship between more than two variables.
4. c) Controlling for third variables.
36 - Pick Answer 15. What type of correlation is used to assess the relationship between two variables measured at same time?

1. a) Cross-lag correlation
2. b) Autocorrelation
3. c) Cross-sectional correlation
4. d) Temporal precedence correlation
37 - Pick Answer 16. What is the main purpose of using statistical techniques like regression in multivariate correlational research?

1. a) To establish temporal precedence between variables.
2. b) To control for the influence of third variables on the relationship between two variables.
3. c) To determine the exact cause-and-effect relationships between variables.
4. d) To identify the mediating and moderating variables in a relationship.
38 - Pick Answer 17. What is the main limitation of longitudinal designs in establishing causation?

1. b) They cannot establish temporal precedence.
2. a) They cannot control for third variables.
3. d) They cannot measure the strength of the relationship between variables.
4. c) They cannot determine the direction of causality.
39 - Pick Answer 18. What does a beta coefficient of -0.5 indicate in a regression analysis?

1. a) A strong positive relationship between the predictor variable and the criterion variable.
2. b) A weak positive relationship between the predictor variable and the criterion variable.
3. c) A strong negative relationship between the predictor variable and the criterion variable.
4. d) A weak negative relationship between the predictor variable and the criterion variable.
40 - Pick Answer 19. What is the main limitation of using multiple regression analysis to establish causation?

1. d) It cannot measure the strength of the relationship between variables.
2. a) It cannot control for third variables.
3. b) It cannot establish temporal precedence.
4. c) It cannot determine the direction of causality.
41 - Leaderboard

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Intro to Research Methods Pt 2

Slides (41)

1 - Pick Answer 1. What is the main advantage of multivariate designs over bivariate designs in research?

2 - Pick Answer 2. Which type of design examines the same variables in the same participants over multiple points in time?

3 - Pick Answer 3. What does a cross-sectional correlation measure?

4 - Pick Answer 4. What is an autocorrelation?

5 - Pick Answer 5. What does a cross-lag correlation measure?

6 - Pick Answer 6. What kind of design is represented by the diagram showing correlations between depressive affect, binge eating, and time?

7 - Pick Answer 7. Which of the following criteria for causation can be addressed by longitudinal designs?

8 - Pick Answer 8. What does a multiple regression analysis help researchers do?

9 - Pick Answer 9. What does the "beta" coefficient in a regression analysis indicate?

10 - Pick Answer 10. If the beta coefficient for a predictor variable is close to 0, what does it suggest?

11 - Pick Answer 11. Which of the following is NOT a potential predictor for pregnancy risk?

12 - Pick Answer 12. What is a mediator variable?

13 - Pick Answer 13. What is a moderator variable?

14 - Pick Answer 14. Which of the following is NOT a key difference between mediators and moderators?

15 - Pick Answer 15. Which of the following is a key limitation of using regression analysis to control for third variables?

16 - Pick Answer 16. What is temporal precedence?

17 - Pick Answer 17. What is covariance?

18 - Pick Answer 18. What is internal validity?

19 - Pick Answer 19. What is a criterion variable?

20 - Pick Answer 20. What is a predictor variable?

21 - Leaderboard

22 - Pick Answer 1. What is the main advantage of using multivariate designs in research?

23 - Pick Answer 2. What type of design involves studying the same variables in the same participants at multiple points in time?

24 - Pick Answer 3. What does an autocorrelation analysis assess?

25 - Pick Answer 4. Which type of correlation examines the relationship between earlier measures of one variable and later measures of another variable?

26 - Pick Answer 5. In a longitudinal study, what does a stronger cross-lag correlation suggest?

27 - Pick Answer 6. How do longitudinal designs address the criterion of temporal precedence for establishing causation?

28 - Pick Answer 7. What is the primary purpose of multiple regression analyses in research?

29 - Pick Answer 8. In a regression analysis, what does the beta coefficient represent?

30 - Pick Answer 9. What does a beta coefficient close to zero indicate in a regression analysis?

31 - Pick Answer 10. What is the main limitation of regression analysis in establishing causation?

32 - Pick Answer 11. What is a mediator variable in research?

33 - Pick Answer 12. What is a moderator variable in research?

34 - Pick Answer 13. What is the main difference between mediators and moderators in research?

35 - Pick Answer 14. Which of the following is NOT a key feature of multivariate correlational research?

36 - Pick Answer 15. What type of correlation is used to assess the relationship between two variables measured at same time?

37 - Pick Answer 16. What is the main purpose of using statistical techniques like regression in multivariate correlational research?

38 - Pick Answer 17. What is the main limitation of longitudinal designs in establishing causation?

39 - Pick Answer 18. What does a beta coefficient of -0.5 indicate in a regression analysis?

40 - Pick Answer 19. What is the main limitation of using multiple regression analysis to establish causation?

41 - Leaderboard