In some studies,subjects are not assigned to particular conditions; instead subjects are selected because they are already living under these conditions (e.g.,alcohol consumers and alcohol nonconsumers).Such studies are
A) quasiexperiments.
B) case studies.
C) true experiments.
D) randomized experiments.
E) unethical.

Question

Quizplus · Accepted Answer

Quasi-experiments are studies where subjects are not randomly assigned to conditions, but instead are already living under these conditions. In this case, the study is comparing alcohol consumers and nonconsumers, which is a comparison of already existing groups. Therefore, it is a quasi-experiment.

In Some Studies,subjects Are Not Assigned to Particular Conditions; Instead