A researcher was interested in whether extraversion is related to drug use. He administered a measure of extraversion, along with a questionnaire regarding drug use, to 200 respondents,
then looked at the relationship between the scores on the two measures. This is an example of research.
a. correlational
b. post hoc
c. experimental
d. descriptive
e. none of the above
a
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The null hypothesis gets its name from the meaning of the word null, which is _____
a. zero c. empirical b. need d. testable
Research has found that messages that involve fear are never effective at persuading people because it is seen by most as a feeble and transparent attempt to change an opinion, attitude, or behavior
Indicate whether the statement is true or false.
If we were able to eliminate disease and accidents, improve our knowledge of nutrition, and provide only the best medical care for human beings, the life expectancy of our species would be virtually unlimited
Indicate whether this statement is true or false.
Noam believes that there are no negative effects of stress hormones since they are helpful in preparing an individual to deal with difficulties. You explain that prolonged exposure to stress hormones can
A. decrease voluntary muscle movement and interfere with normal functioning. B. cause osteoarthritis in the joints. C. weaken the body’s immune system functioning. D. increase the likelihood for liver failure.