Why is the role of grandparent such an important one in today's society?
a. Because many grandparents are full-time caregivers for their grandchildren.
b. Because the elderly are valued in the United States.
c. Because with increasing lifespans, many will spend one third of their lives as grandparents.
d. Because adult children depend on their parents for financial support for their grandchildren.
c. Because with increasing lifespans, many will spend one third of their lives as grandparents.
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Zimbardo, drawing on his study of reactions to authority, concluded
a. When others harm us, we should turn the other cheek. b. A negative situation can turn a good person into a bad one. c. People have the power to resist a malevolent authority. d. Social pressures are not as strong as psychological ones. e. In the end, roles are not as powerful as personalities.
Why are researchers investigating a possible role for glutamate in schizophrenia? a. Known antipsychotic medications have their primary effects on glutamate. b. People with schizophrenia have abnormal levels of glutamate activity
c. PCP use, which affects glutamate systems, mimics most symptoms of schizophrenia. d. Glutamate levels are directly influenced by cocaine and amphetamine.
If the inner voltage of a cell is -70 mV and application of stimulation results in a -95 mV charge, the stimulation had a __________ effect. On the other hand, a resultant charge of +40 mV would be a __________ effect.
A. hyperpolarizing; depolarizing B. depolarizing; hyperpolarizing C. repolarizing; depolarizing D. repolarizing; hyperpolarizing
Longitudinal designs most closely resemble
a. time series designs b. one-group pretest-posttest designs c. factorial experiments d. demographic studies e. correlational research