A researcher has observed that children who eat more sugar tend to show a higher level of activity than children who eat less sugar. However, the researcher suspects that the apparent relationship may be explained by the fact that some children have a higher rate of metabolism, which causes them to eat more and to be more active compared to children with a lower rate of metabolism who eat less
and are less active. This is an example of the ____.
a. directionality problem
b. third-variable problem
c. extraneous variable problem
d. manipulation check problem
b
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Jeb lives on a small island
Over the last year or so, Jeb has developed an intense fear of crossing the bridge. He is aware his fear doesn't make sense. The problem is that Jeb has had to turn down promotions at work because it would require him to cross the bridge on a daily basis. Jeb's family is frustrated because they could really use the money that comes with the promotions. Jeb likely has _____ a) a specific phobia. b) posttraumatic stress disorder. c) panic disorder. d) a social phobia.
Asking people to recall a lot of details when they complete a questionnaire
a. will lead to accurate recall of only chronically accessible information. b. may lead to recall of details that are not true. c. generates accurate information with overspecific quantifiers. d. works best if they are focused on emotional words in the questions.