Which of the following methodologies is likely to allow researchers to control the influence of external variables most effectively?

Question

Quizplus · Accepted Answer

Experimental research allows researchers to control external variables most effectively by manipulating them and measuring their effects on the dependent variable. The other options, such as face-to-face interviews, questionnaires, and printed surveys, do not allow for such direct control over external variables. Participatory Action Research involves collaboration with participants rather than direct control over external variables.

Which of the Following Methodologies Is Likely to Allow Researchers