In Crum and Langer's hotel experiment, the group of participants who were informed that housekeeping work was good exercise was the:
a. placebo control group.
b. experimental group.
c. extraneous group.
d. control group or control condition.
Answer: b. experimental group.
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The population variance is
a. an estimate of the sample variance. b. usually an unknown that we try to estimate. c. calculated exactly like the sample variance. d. a biased estimate.
One assumption of prospect theory is called the certainty effect. This means that:
A) when making decisions, people give greater weight to outcomes that are a sure thing. B) people are certain that they want to avoid risk but are unsure that they want to maximize gains. C) when making decisions, people rely more on past outcomes than on future speculations. D) people are certain that they want to maximize gains but are unsure that they want to avoid risks.
A dog is reinforced for turning its head to the right. For the next reinforcer to be delivered the head must be turned even further to the right. Only further progressions in the turning to the right are reinforced. Eventually the dog is turning about in circles to the right. This is an example of which of the following methods.
a. method of successful interpretations b. chaining c. shaping d. A & C
One of the benefits of ADHD medication is that it renders it unnecessary to teach children new skills to cope with their behaviors.
Answer the following statement true (T) or false (F)