In the textbook's example of the "predator recognition" experiment, the researcher
should have counterbalanced his experiment. That is, he should have presented the
models of predators
a. at the same speed to all birds.
b. in different orders to different birds.
c. in the same order to all birds.
d. only once to each bird.
e. with more time between each exposure.
b. in different orders to different birds.
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Research in psychology has practical applications. For example, Ceci and Bruck's (1998) study of a young boy's memory of catching his finger in a mousetrap suggests that ___
a. young children are egocentric b. young children are naturally inclined to lie c. repeated questioning by parents or prosecutors can implant false memories d. young children are unlikely to misremember events involving their own bodies
The variable that the researcher changes or varies to see if it has an effect is called the
a. interjudge reliability. b. independent variable. c. dependent variable. d. correlation coefficient.