In some studies, subjects are not assigned to 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 involve the manipulation of an independent variable to observe its effect on a dependent variable, but the researcher does not have full control over the experimental conditions. In this case, subjects are not randomly assigned to conditions, so it is not a true experiment. However, it can still provide valuable insights into the relationship between variables.

In Some Studies, Subjects Are Not Assigned to Conditions; Instead