Blake is a retired railroad conductor who lives alone. The highpoint of his day is when the mail truck arrives; however, this also proves to be a daily frustration
The mail courier does not keep a tight schedule, and is extremely inconsistent about delivery times. This drives Blake crazy. Although not happy about it, Blake is being reinforced on a variable-interval schedule.
Indicate whether the statement is true or false.
T
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Research suggests that negative campaigning in politics may be most effective as a strategy ____
a. for a candidate who is far behind in the polls and willing to try anything to get ahead b. as a retaliation measure, for a candidate who has already been attacked by his or her opponent c. for candidates who already have the upper hand in the polls d. for candidates who are relatively well-known (as opposed to those who are less well-known)
It is believed that __________ tend to reduce the anxiety connected with obsessions
a. compulsions c. stressors b. phobias d. physical symptoms
The hindbrain consists of the medulla, the pons, and the cerebellum.
Answer the following statement true (T) or false (F)
Teachers in one study were told to watch normal elementary
school children who had been labeled for the study as "learning disabled," "intellectually disabled," "emotionally disturbed," or "normal." Sadly, the teachers gave the children very different ratings, depending on the labels used. This illustrates the serious consequences of a. conducting a scientific survey. b. conducting a case study. c. the observer bias. d. the observer effect.