How long did the positive effect on cognitive functioning by way of playing Mozart last in a study conducted in the 1990s?
a. 10 days
b. 10 hours
c. 10 minutes
d. 10 seconds
C
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What is an experimental design for assessing age-related changes in which data are obtained simultaneously from people of differing ages?
a. longitudinal study b. mixed longitudinal study c. cross-sectional study d. correlational study
A reliability coefficient determined by assessing the degree of relationship between scores on the same test administered on two different occasions is called _______.
A. Alternate forms reliability B. Test/Retest reliability C. Split half reliability D. Content validity
Studies of prosocial behavior show that the more potential helpers present in an emergency, the
a. more likely people are to get involved. b. lower the chances that people will help. c. greater the personal responsibility felt by those present. d. lower the risk of personal injury to potential helpers.
Until the end of the 18th century, the most common way of treating mental and physical disorders was:?
a. ?burning at the stake b. ?bloodletting c. ?praying d. ?fresh air and a balanced diet