When subjects are lost differentially from the experimental and control groups, any observed effect may be due to
a. mortality
b. instrumentation.
c. diffusion of treatment.
d. history.
a
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In the context of an evolutionary approach, _____ is viewed as a universal psychological mechanism, a product of natural selection that serves both social and nonsocial functions in problem solving and environmental adaptation
a) social structure b) identity c) personality structure d) perception
Which of the following statements best describes the benefits of research on the genetic bases of memory? a. Presently available drugs show benefits in boosting human memory. b. Understanding the genetic bases of memory has led to development of drugs to boost memory in bothAlzheimer's patients and normal individuals
c. Scientists can prevent Alzheimer's disease in some cases through genetic manipulation of particular genes. d. Scientists have identified specific proteins regulated by so-called memory genes that can be synthesized to improve human memory. e. No drugs or supplements are yet available that have been shown to enhance memory in normal individuals.
When following the scientific method, psychologists usually begin a study by:
A) formulating a research question. B) testing a hypothesis. C) calculating correlations. D) modifying theories.
According to Goldberger and Holt, individuals who are emotionally secure:
a. can withstand long periods of stimulus deprivation with no problems b. are more sensitive to stimulus deprivation side-effects than neurotic individuals c. show minimal harmful effects due to short term stimulus deprivation d. can profit from isolation experiences if not protracted or severe