The independent variable is the one
A) the investigator expects to be influenced by another variable.
B) that is randomly assigned.
C) that shows the strength of the correlational relationship.
D) the investigator expects to cause changes in another variable.
Answer: D
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Kiara and Tiana are both African American 21-year-olds. Neither smokes; neither is overweight. Both eat similar diets. Kiara, however, exercises 4 times each week; Tiana does not exercise. Tiana’s risk of breast cancer is ______ times as high as Kiara’s.
A. 1.5 B. 2 C. 2.5 D. 3
In researching a report on John Watson, which of the following search terms would yield the best results?
a. Mind b. Feeling c. Consciousness d. Thinking e. Behavior
Biological research concerning the development of depressive disorders suggests that high cortisol levels in chronically depressed people could affect the hippocampus and amygdala
Indicate whether this statement is true or false.
Regarding ethics in research, which of the following statements is TRUE?
a. Although the APA has set up guidelines for experiments with humans, they have yet to provide guidelines for research with animals. b. Researchers are not required by the APA guidelines to provide results or interpretations to participants at the end of the experiment. c. Researchers do not have to describe all risks to potential participants, and once a subject begins an experiment, his or her continued participation is no longer voluntary. d. Most university psychology departments have ethics committees that oversee the research done at the college to help ensure ethical guidelines are followed.