Evaluating specific threats to internal validity in a causal-comparative study involves all of the following except:
A) identifying factors related to the variable(s) on which groups are compared
B) determining whether each factor is controlled by random assignment
C) judging whether comparison groups are likely to differ on these factors
D) prioritizing the seriousness of identified threats

Question

Quizplus · Accepted Answer

In a causal-comparative study, groups are not created through random assignment; instead, they are naturally occurring. Therefore, determining whether each factor is controlled by random assignment does not apply to this type of study.

Evaluating Specific Threats to Internal Validity in a Causal-Comparative Study