psychology ch.2 part 1

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12. Sandra strongly believes that attending daycare is detrimental to children's development so she decides to write her psychology term paper on this topic. She does a literature search and finds several sources supporting her opinion, but she finds that the majority of research indicates that children attending daycare experience healthy development. She writes a paper using the sources that find negative associations with daycare attendance. This is an example of ________.

A. confirmation bias

11. A(n) ________ is a variable that affects both variables of interest and may falsely give the impression of a cause-and-effect relationship.

A. confounding variable

8. The possible range for a correlation coefficient is ________.

B. between -1 and +1

9. A negative correlation means ________.

B. one variable decreases as the other increases

4. ________ research studies the same groups of participants over time.

D. longitudinal

16. Simply expecting something to happen can make it happen. This describes ________.

D. placebo effect

19. In order to maximize the chances that experimental groups represent the population of interest, researchers should conduct ________ and ________.

D. random sampling; random group assignment

10. A ________ is a graphical view of the strength and direction of a correlation.

D. scatterplot

1. A(n) ________ is a well-developed set of ideas that proposes an explanation for observed phenomena.

D. theory

5. ________ research uses past records or data sets to investigate research questions or to look for patterns or relationships.

A. archival

14. The ________ group does not get the experimental treatment.

B. control

7. ________ means that there is a relationship between two or more variables.

B. correlation

2. In a ________ study, both the researchers and the participants are unaware of the group assignments.

B. double-blind

6. Which of the following research designs will allow cause-and-effect conclusions?

B. experimental

3. Trephination is the ________.

B. procedure where a large hole is created in the forehead so that evil spirits can escape

13. A basic experiment involves a minimum of ________ participant group(s).

B. two

18. Which of the following is not a potential problem associated with relying on college students as participants in psychological research? A. It may be difficult to generalize findings to other groups. B. They are more educated than the general public. C. They have higher attrition rates than other populations. D. They tend to be more liberal than the general public

C. They have higher attrition rates than other populations.

17. The ________ is controlled by the experimenter.

C. independent variable

20. A sample that ________ is most likely to yield generalizable results.

C. is large and randomly selected

15. A(n) ________ is a description of how the researchers will measure the variables of interest.

C. operational definition


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