Which research technique can provide cause-and-effect answers?
a) survey
b) experimental
c) case study
d) correlational
ANS: b
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The null hypothesis in a repeated measures t test is
a. the hypothesis that the mean difference score is equal to 0. b. the hypothesis that the mean difference score is different from 0 in either direction. c. the hypothesis that post scores are larger than pre-scores. d. the hypothesis that the variance of scores stays constant from pretest to posttest.
Which sensory modality is most likely to involve processing by the anterior cingulate cortex (ACC)?
A. olfaction B. taste C. pain D. hearing
Running, jumping, and riding a bicycle are examples of ____________ motor skills
a. fine c. small b. gross d. large
In Freud's psychoanalytic theory, the id is believed to operate according to the ________
a. pleasure principle b. guilt/pride principle c. reality principle d. ego ideal