Which of the following factors or characteristics is present only in an experimental design (and not in a quasiexperimental design)?

Question

Quizplus · Accepted Answer

Randomization is a factor that is present only in experimental designs, and not in quasi-experimental designs. This is because randomization is the process of assigning participants to different groups or conditions randomly, which is not always feasible in quasi-experimental designs due to the lack of control over variables. The other options (research question or hypothesis, experimental treatment, and informed consent) can be present in both experimental and quasi-experimental designs.

Which of the Following Factors or Characteristics Is Present Only