Researchers at the Massachusetts Institute of Technology engaged in ethically troublesome research on exposure to radiation in the 1950s when they
a. exposed syphilis patients to radiation as part of normal treatment.
b. used whole-body radiation on terminally ill cancer patients without giving informed consent.
c. sterilized patients using radiation rather than using other, accepted methods.
d. fed food with radioactive substances to children living in a facility for the developmentally disabled.
Question 2
Dr. Columbo is conducting a pre-post testing study where, in the pretest, the subjects will fill out a survey before the manipulation and, in the posttest, subjects will fill out the same survey after experiencing the experimental manipulation.
Dr Columbo is worried that subjects will be biased in the posttest survey because of their familiarity with the pretest survey. In this example, Dr. Columbo appears to be concerned about the factor of
a. regression to the mean.
b. maturation.
c. history.
d. pretest sensitization.
Laboratory, Institute of Biochemistry, University of Cologne.
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