In research, _________ means to be able to account for variables that may affect the results of a study
a. independence
b. blindness
c. control
d. none of these
c
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In Fechner's law, S is the ____.?
a. ?magnitude of the stimulus b. ?duration of the stimulus c. ?intensity of the stimulus d. ?magnitude of the sensation e. ?duration of the sensation
When family members or close friends provide an important historical perspective on a person's traits, especially if they themselves have no mental disorder, we are receiving a(n)
a. unbiased survey. b. informant report. c. psychological diagnosis. d. structured questionnaire survey.
What is the definition of social facilitation?
a. ?reduced motivation and effort shown by individuals working in a group b. ?a change in attitudes in response to information provided by another person c. ?the change in performance due to the presence of other people d. ?immersion of an individual within a group, leading to anonymity
Dr. Hines is interested in studying how indoor lighting can influence people's moods during the winter. A sample of 100 households is selected. Fifty of the homes are randomly assigned to the bright-light condition where Dr. Hones replaces all the lights with 100-watt bulbs. In the other 50 houses, all the lights are changed to 60-watt bulbs. After two months, Dr. Hines measures the level of
depression for the people living in the houses. In this example, the level of depression is the ____ variable. a. dependent b. extraneous c. correlational d. independent