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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Cognitive psychologists acknowledge that mental processes are not directly observable to the eye, but assert that they ____
a. ?are at least as important as unconscious processes b. ?can be inferred from performance data c. ?are still primarily the result of biological influences d. ?cannot be indirectly observed either
Welfare reform
A) promotes children's development only when it results in a more adequate standard of living. B) is beneficial for children and for low-skilled, less-educated single mothers. C) protects children from the damaging effects of poverty. D) has been successful, even in families that moved to total reliance on work.
Which of the following best captures the central aim of end-of-life care?
a. to extend the person's life b. to provide counseling for the dying patient's family and friends c. to bring death more quickly than a terminal illness would cause d. to allow terminally ill patients to settle affairs and make decisions about how life will end
High levels of plasma ________ will accelerate the onset of puberty in human females
Fill in the blank with the appropriate word.