A researcher is concerned that gender may affect how subjects respond to an experimental stimulus. So subjects are paired with another subject who has the same gender, and one member from each pair is assigned by a flip of a coin to the experimental group and one to the control group. This method of assigning subjects to groups is called:

Question

Quizplus · Accepted Answer

Matching is the method of pairing subjects based on a specific characteristic, in this case, gender. The flip of a coin is used for random assignment after the pairs are made. Quotas, stratified randomization, and nonprobability sampling are not applicable in this scenario. Random assignment is used after pairs are made, but the key method of pairing is matching.

A Researcher Is Concerned That Gender May Affect How Subjects