If a hypothesis test produces a z-score in the critical region, what decision should be made?
a. Reject the alternative hypothesis
b. Fail to reject the alternative hypothesis
c. Reject the null hypothesis
d. Fail to reject the null hypothesis
C
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In Fischer's _____ stage, symbolic operations can be performed on concrete objects
a. reflexive b. sensorimotor action c. representations d. abstractions
Which of the following is a reason for overconfidence?
A) We tend to be aware of how flimsy our assumptions may be. B) We tend to focus on examples that do not confirm our judgments. C) We remember information that runs counter to our judgments. D) We work to bring about the events we believe in.
Hair cells are to hearing as ___________ are to vision
a. horizontal cells c. bipolar cells b. ganglion cells d. rods and cones
Which is a change in the sexual response for a male that is connected with aging?
a. shorter time to achieve erection and orgasm b. more semen emitted during ejaculation c. harder erections d. reduced intensity of spasms of orgasm