Matching of one subject with another and the use of random selection of subjects are examples of:
A) causality.
B) control.
C) manipulation.
D) nonprobability sampling.

Question

Quizplus · Accepted Answer

Control means having the power to direct or manipulate factors to achieve a desired outcome. The researcher uses the controls of matching subjects and random selection.
Causality means that one thing leads to another.
Manipulation is not a form of control, but creates the control through the intervention or treatment. Control means having the power to direct or manipulate factors to achieve a desired outcome.
Nonprobability sampling does not hold random selection or assignment as criteria for participant sampling techniques.

Matching of One Subject with Another and the Use of Random