A sociologist decides to study the interaction among students in the college's computer center. When the students realize they are under observation, they become shy and reserved in their interactions. This is an example of .A. replication. B. secondary analysis. C. the Hawthorne effect. D. value neutrality.

C. the Hawthorne effect.

Explanation:

The Hawthorne effect is also known as the observers effect: it consists in a behavioral change of the subjects that are being studied when they become aware that they are being observed. This effect can disrupt the study because subjects stop acting naturally.

f high

explanation:

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.