If a researcher wishes to predict the score on one measured variable from the score on another measured variable, the appropriate statistical test is ______.
a. a Pearson r test
b. an independent samples t test
c. a paired/related samples t test
d. a linear regression
Ans: D
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According to ethologists and evolutionary psychologists,
a. no links exist between sexual and aggressive behaviors. b. aggressive motivation and sexual motivation appear to be closely related c. aggression has always been maladaptive throughout our evolutionary history d. aggression is the dominant force of nature for all animals
Hookups are more common among first-year college students than among students nearing graduation
Indicate whether this statement is true or false.
Follow-up research on Piaget’s sensorimotor stage yields broad agreement that __________
A) the cognitive changes of infancy are stagelike B) the cognitive changes of infancy are abrupt C) all aspects of infant cognition develop together D) various aspects of infant cognition change unevenly
In a famous research report, a number of hypnotically age-regressed individuals were able to remember the day of the week on which their 4th or 10th birthday occurred. What question would a psychological detective have asked about the study before accepting the results as indicating that hypnotic age regression had occurred?
a) How old were the research participants?
b) Were any of the children diagnosed as suffering a psychological disorder?
c) Were the research participants sufficiently relaxed when the study began?
d) Would the same results have occurred if the researcher was not a proponent of hypnosis?