Researchers conducted a content analysis in which they coded how males and females are depicted in work settings on TV. They included programs with a story line and all commercials, but they excluded documentaries, news broadcasts, and sports shows. Which characteristic of the researchers' sample is likely to be most affected by these decisions?
A. reactivity
B. homogeneity
C. representativeness
D. internal validity
C. representativeness
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Which of the following is a valid hypothesis?
a. Viewing TV violence increases the likelihood of aggressive behavior in children. b. Viewing TV violence may influence children's behavior. c. Viewing TV violence is unlikely to change children's behavior. d. None of these.
The Attachment Q-Sort ________.
A. is less time-consuming than the Strange Situation B. differentiates between types of insecurity C. measures fewer attachment-related behaviors than the Strange Situation D. requires either a parent or a trained observer to categorize 90 descriptive behaviors
Stephen Colbert wants to see if teenagers prefer to play Farmland, Mafia Battle, SuperPac, or Rainbow Kitty online. He ran a study where teenagers were assigned to play each of these and rate, on a scale from 0?100, how much they liked the game. He ran t-tests between each pair of games to determine if enjoyment was significantly different. This could become a problem, and increase his chances of:
a. Type I error. b. The standard deviations being different. c. The means being biased. d. The sample not being random.
The menstrual phase is characterized by the shedding of
A. epithelial tissue. B. endometrial tissue. C. nerve tissue. D. connective tissue.