A university involved in conducting social science experiments and surveys
places an advertisement in the classifieds to hire a racially and ethnically
diverse set of individuals to administer surveys. The surveys will assess
opinions on welfare policy and discrimination. The University plans to use a
random sample of these new employees to help conduct an upcoming
experiment with a random sample of individuals in a major city. By hiring this
diverse group of employees, the University is hoping to reduce the problems
of
in the experiment.
O A. a Hawthorne effect
OB. undercoverage
C. reverse blocking
OD. voluntary response bias
E. interviewer-induced bias