Harold read about a cross-cultural study demonstrating an association between consumption of omega-3s and _____. Thinking it will help him, he wants to run to the health store to buy a bottle. His wife, Kara, is more skeptical. She thinks that the relationship might have to do with international differences in the propensity to seek help, rather than the health benefits of omega 3s. Kara is _____.
A) obsessive-compulsive disorder; wondering about the external validity of the study
B) obsessive-compulsive disorder; skeptical about the internal validity of the experiment
C) depression; questioning the statistical significance of the findings
D) depression; positing the existence of a third variable
D) depression; positing the existence of a third variable
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Describe some of the research on in-group bias with respect to empathy and altruism
What will be an ideal response?
A very important aspect of representative samples is that their members are
a. chosen by random selection. b. chosen on the basis of central tendency. c. chosen on the basis of equal variability. d. significant members of the population.
Which defense mechanism uses acceptable excuses for behaviors which cause us to feel anxiety?
a. denial c. rationalization b. reaction formation d. repression
Which of the following is the best definition of "dependent variable"?
It is the measured variable that may change depending upon manipulation of an experimental variable. It is any unmeasured variable that is not controlled within the context of the experiment. It is the variable that is intentionally manipulated by the researcher. It is one of the external variables that cannot be controlled by the researcher.