If the homogeneity of variance assumption is violated in an experiment using the t test for independent groups, this means _________
a. the populations from which the samples were drawn have different variances
b. the power of the t test will be reduced
c. t the test can still be used, if the violation is a moderate one
d. the t test should not be used
e. the populations from which the samples were drawn have different variances and t the test can still be used, if the violation is a moderate one
A
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According to Fuligni & Stevenson (1995), which of the following is true of children's exposure to their peer groups in different cultures?
a) Both Japanese and Taiwanese teenagers spend more time per week with their peers outside of school compared with American teenagers. b) Both Taiwanese and American teenagers spend more time per week with their peers outside of school compared with Japanese teenagers. c) Japanese teenagers spend less time per week with their peers outside of school compared with Taiwanese teenagers. d) American teenagers spend more time per week with their peers outside of school compared with Japanese teenagers.
Research on the patterns of neural transmission from the cones to the bipolar and ganglion cells, then to the brain, suggests that the messages are consistent with
a. trichromatic theory. c. neural rebound effect. b. opponent-process theory. d. Thomas Young's studies.
A neurologist is examining a patient and asks him, "What sound does a lion make?" The patient replies, "Lion…he roars." The patient has great trouble producing those three words, which come in a very halted manner. What region of the patient's brain is most likely damaged?
A. Wernicke's area B. The motor cortex C. Broca's area D. Wundt's area
A cluster of the traits of anxiety, hostility, depression, self-consciousness, impulsiveness, and vulnerability is called
A. neuroticism. B. extraversion. C. the sixth factor. D. None of these