Research has shown that _____________________________________
a. children are only able to learn to model aggressive behaviors during toddlerhood because prosocial behaviors require more advanced cognitive development
b. in the United States it is rare to have a TV in a young child's room
c. the displacement effect is no longer considered a problem because of all the media options available
d. the effects of television and other media depend on the content
Answer: D
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Trial and error ______
a. is never the best way to solve problems b. works best when there are only a limited number of choices c. works best when there are many ambiguous choices d. works best when there are many unambiguous choices
You want to test people's cola preferences, so you conduct a taste test using two different brands of cola
However, you are worried about possible clues you may give people taking the test. So, you label the two colas and have your assistant, who does not know which cola is which, administer the test to the subjects. Thus, you have prevented yourself and your assistant from giving out any clues by using a. random selection. b. random assignment. c. a single-blind experiment. d. a double-blind experiment.