Author Question: Researchers at the University of Cincinnati wanted to investigate how much radiation military ... (Read 68 times)

tichca · **on:** Jun 20, 2018

Researchers at the University of Cincinnati wanted to investigate how much radiation military personnel could withstand. In order to study the effects of radiation, they

a. gave food with radioactive substances to developmentally disabled children.
b. withheld treatment from patients who had been accidentally exposed to radiation.
c. exposed psychiatric patients to radiation without informed consent.
d. subjected cancer patients to whole-body radiation without informed consent.

Question 2

When dealing with studies that make use of pre-post testing strategies, researchers need to be careful when including subjects who score either very high or very low on the pretest.

Upon posttesting, these subjects will often score more in the direction of the middle of the distribution, rather than either extreme. In this case, the study could be confounded by

a. maturation.
b. history.
c. regression to the mean.
d. sensitization.