One or more factors are manipulated under controlled conditions in which research technique?
A)questionnaire
B)observation
C)experiment
D)secondary data analysis

Question

Quizplus · Accepted Answer

Manipulating one or more factors under controlled conditions is the hallmark of an experiment. In an experiment, the researcher can control variables and can establish whether a causal relationship exists between the manipulated factors (independent variable) and the outcome (dependent variable). A questionnaire involves asking people to respond to a set of questions, observation involves watching people in their natural habitat, and secondary data analysis involves analyzing existing data collected by someone else.

One or More Factors Are Manipulated Under Controlled Conditions in Which