Suppose a researcher is performing an experiment on children. She tests the children on one level of the independent variable at the beginning of the school year, but cannot return to test the second level until mid-April, when the school year is almost completed. What threat to internal validity may be a problem?
a. History
b. Selection bias
c. Maturation
d. Experimenter bias
c
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Raquel works as an emergency dispatcher. She thought the job would be exciting, but it has turned out to be more stressful than exciting. She works long hours and seldom receives any recognition. The only time people seem to notice what she does is when the emergency units are slow in responding. She has become disillusioned with her job, and she often calls in sick. In this case, it is quite
likely that Raquel is experiencing: a. burnout b. posttraumatic stress disorder c. general adaptation syndrome d. amotivational syndrome
Of the characteristics listed, which would be the LEAST likely characteristic you would see in most creative persons?
a. possess a gifted level IQ b. tend to be more interested in truth, form, and beauty than in fame or success c. greater than average range of knowledge and interests d. good at using mental images and metaphors in thinking
Coping with traumatic events is a necessity if one is to recover. In these types of situations, psychologists recommend a number of coping strategies, including which of the following?
a. Get support from others and talk about the feelings you are experiencing. b. Change your daily activities and past patterns of behavior. c. Emotionally deal with all your feelings immediately after the event so you never have to think about the event again. d. Leave the physical area where the event occurred immediately and never return again.
If a is the number of levels of Factor A and b is the number of levels of Factor B, the degrees of freedom for Factor B equals _____
a. a - 1 c. (a - 1)(b - 1) b. b - 1 d. N - 1