Whenever a researcher randomly selects equivalent groups, and then exposes them to different stimulus conditions, and then measures them to see if significant difference can be observed, the total procedure is an example of
A) experimental research
B) post-facto research
C) cross-sectional research
D) none of these

Question

Quizplus · Accepted Answer

The given procedure follows the criteria of experimental research, where the researcher isolates and manipulates the independent variable (stimulus conditions) and then measures the effect on the dependent variable (difference observed in groups). The use of random selection and equivalent groups also adds to the validity of the experiment's results.

Whenever a Researcher Randomly Selects Equivalent Groups, and Then Exposes