A limitation of the experimental method is that ____
a. participants know that they are in a research study and may vary their behavior accordingly
b. causation cannot be established
c. the results are rarely accepted by scientific peers
d. experiments involving fear, panic, and stress may be so realistic that participants are harmed
ANSWER:
a
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Research on the biology of physical attraction suggests that neurochemicals related to ____ underlie the feeling of exhilaration that often is experienced when you fall in love
a. barbiturates b. hallucinogens c. amphetamines d. narcotics
In the embryonic stage, ____.?
a. ?the blastocyst implants itself into the uterine wall b. ?the organism reaches viability c. ?lungs begin to function d. ?major organs are developing
To eliminate alternative hypotheses in experimental single-subject designs, ____ can be used
a. random assignment b. one-shot case cases c. a time series approach d. a nonequivalent before-after design
Pete cannot seem to stop checking the change slots of vending machines. Although he usually does not find any money, occasionally he finds a quarter. Despite the low levels of reinforcement, this behavior is likely to persist due to _____
a. escape learning b. the partial reinforcement effect c. positive punishment d. generalization