In the cross-sectional design,
A) groups of people differing in age are studied at the same point in time.
B) participants are studied repeatedly at different ages, and changes are noted as they get older.
C) participants are presented with a novel task, and researchers follow their mastery over a series of closely spaced sessions.
D) the investigator conducts several sequences and makes cross-sectional comparisons.
A
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Which conclusion is most accurate regarding the research on violence in the mass media and aggression?
a. It has shown that violent media can cause aggression. b. It has shown that there is a relationship between violent media and aggression, but it has not shown causality. c. It has shown that there is a relationship between violent media and aggression for men but not for women. d. Conclusions are mixed; it has NOT shown a clear relationship between violent media and aggression.
The qualities that psychologist Salvatore Maddi found in people he described as having a hardy personality include
a. a sense that things in life are determined by external forces. b. control over their lives and work. c. a tendency to see life as a struggle and full of suffering. d. a tendency to avoid extra responsibilities.
Information-processing theorists refer to sensory memory, working memory, and long-term memory
as mental a. software. c. strategies. b. hardware. d. operations.
Morphine and heroin duplicate the action of __________.
A. endorphins B. alcohol C. cigarettes D. LSD