7. A psychologist wanted to sece if people are more prone to seck the company of

Question

7. A psychologist wanted to sece if people are more prone to seck the company of others when anxious than when calm. He randomly assigned half of his subjects to an anxicty group and then old them that, as part of the study, they would receive electric shocks. He did not frighten the other group of subjects Finally, he recorded how many subjects in each group chose to be ested" in a group setting and how many chose to be "tested" alone. What was the independent variable in this study? a tendency to desire the company of others b. level of shock c. level of anxiety d. the anxious group 8. In an experiment, the group of subjects to which the experimental group is compared is called the: a comparison group b. standard group. c. confederate group. d. control group. 9. In an experiment, a researcher manipulates one variable to see how it affects a second variable. The second variable, which is observed for any possible effects, is called the a dependent variable b. control variable e. independent variable d hypothetical variable 10. To determine if sugar-rich dicts affect hyperactivity in kids, a researcher prepared two daily menus that children would receive for a 30-day period. A high-sugar diet was given to the boys, while the girls had a menu that seemed identical but was not a high sugar diet. At the end days, the boys and girls were evaluated to determine their levels of hyperactivity. In the stady, the high-sugar diet is the a placebo b. independent variable c. dependent variable d control group of 30 11. An experiment was run in which group A was given 3 minutes to study a word list, while group B was given 15 minutes to study the same list. Later, both groups were asked to recal words from the list. In this study, the number of words recalled is the a independent variable c. placebo dPdepsent vana c placebo d. dependent variable

Explanation / Answer

7. Answer - C

Level of anxiety was the independent variable.

8. Answer - D

The control group is where no treatment is given.

9. Answer - A

The dependent variable is the effect of the independent variable.

10. Answer - B

The high sugar diet is th independent variable.

11. Answer - D

It is the dependent variable as it is the effect of independent variable.

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