The aspect of the environment that is manipulated or changed by the researcher during the course of an experiment is:
a. the independent variable
b. the dependent variable
c. a confounding variable
d. a placebo
A
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Based on a meta-analysis of almost 300 studies and about 20,000 participants by Segerstrom & Miller (2004), who is most likely to suffer the greatest suppression of his or her immune system?
a. ?Santiago, who is trying to find a rental car for a reasonable price for his business trip b. ?Andrew, whose wife fell in love with his best friend and initiated divorce proceedings c. ?Edith, who is very stressed that she has not yet lost enough weight to fit into her wedding dress d. ?Charlotte, who worries about how she is going to get all her class exams and papers graded by the posting deadline
When Jacob met his supervisor for the first time, he remembered to smile as he answered her questions. On seeing his smile, his supervisor thought Jacob is a friendly person. In terms of social perception, Jacob's impression is an example of _____
A) altruism B) groupthink C) the primacy effect D) the actor-observer effect
The master control for eating is:
a. stomach c. hypothalamus b. liver d. thalamus
If observers disagree 20 times out of 80, then the interrater reliability is:
a. .25. b. .75. c. 4.0. d. not able to be determined.