When a researcher manipulates a variable to see what effect the manipulation has on a study participant's behaviour, the research design involves:
A) a correlational study
B) an experiment
C) naturalistic observation
D) participant observation

Question

Quizplus · Accepted Answer

Manipulating a variable to observe its effect on behaviour is a key feature of experimental design. Choice A (correlational study) does not involve manipulation of an independent variable, Choice C (naturalistic observation) involves observing behaviour in its natural setting without manipulation, and Choice D (participant observation) involves the researcher being a part of the group being observed, but does not necessarily involve manipulation of a variable.

When a Researcher Manipulates a Variable to See What Effect