According to the research conducted by Latané, Williams, and Harkins (1979) on group productivity in the United States, individual productivity tends to improve in larger groups
a) True
b) False
b
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Research has shown a positive correlation between the amount of time children spend watching television and their levels of aggression. It is possible that the actual cause of this relationship involves harsh parents who act aggressively toward children (teaching them to be aggressive) and whose violence leads children to avoid them at all costs (including by watching television). This example
illustrates the issue of a. the third variable. b. a reversed cause-effect relationship. c. time of measurement effects. d. plasticity.
A researcher wishes to investigate the length of the sleep-wake cycle that is regulated by a subject's biological clock. The researcher can do this by:
A. letting the subject eat and sleep whenever he or she feels like it B. asking the subject to estimate the time at certain intervals without the use of a clock C. removing all cues to time and measuring when the subject sleeps and wakes D. analyzing the cycle produced by brain-wave patterns
Both experimental and correlational methods assess the relationship between variables. The two methods are different in that
What will be an ideal response?
A teratogen is a substance or disease that, when present, always results in a birth defect
Indicate whether this statement is true or false.