Description

1. Question: A study finds a correlation coefficient of r=.32. According to Cohen’s benchmarks, the magnitude of this effect is:
2. Question: When examining an association claim using a bar graph, an association is indicated by which of the following?
3. Question: Which of the following tells you that an association claim is being made?
4. Question: In which of the following cases might a small effect still be important?
5. Statistical significance depends on which of the following?
6. Question: Martin has found a correlation of r=.18 between the two variables of caffeine consumption and frontal lobe activity. This correlation is more likely to be statistically significant if:
7. Question: Martin has found a correlation of r=.18 between the two variables of caffeine consumption and frontal lobe activity. This correlation is more likely to be statistically significant if:
8. Question: Which of the following is NOT a question you should ask about the statistical validity of an association claim?
9. Question: Which of the following is true of moderators?
10. Question: Which of the following studies is an example of a longitudinal design?
11. Question: According to the textbook, which of the following is a reason that multiple regression designs are inferior to experimental designs?
12. Question: Which popular press headline does NOT suggest that a multiple regression has been used?
13. Question: The pattern and parsimony approach to causation is a good example of which cycle in research?
14. Question: Which of the following is NOT true of third variables and mediating variables?
15. Question: Which of the following is the mediating variable in Uchida’s hypothesis?
16. Question: Uchida’s finding that the relationship between emotional well-being and PTSD symptoms is stronger for men than for women suggests which of the following?
17. Question: When determining mediation, how many steps are necessary?
18. Question: Which of the following isNOTtrueofcontrolvariables?
19. Question: Experiments use random assignment to avoid which of the following?
20. Question: An independent-groups design is also known as a .
21. Question: Which of the following research designs is used to address possible selection effects?
22. Question: Which of the following is a threat to internal validity found in within-groups designs but not in independent-groups designs?
23. Question: Alfonse, a developmental psychologist, conducts a study to determine whether children prefer books with drawn illustrations or with photographs. A group of 45 first-graders are shown two copies of a book (Little Red Riding Hood) at the same time. Although the story is the same, one book is illustrated with drawings and the other is illustrated with photos. Students are then asked to indicate which book they prefer. This is an example of which of the following designs?
24. Question: Random selection enhances and random assignment enhances       .
25. Question: Generally, what is the main priority for experimental studies?