A primary reason for focusing on a single variable before introducing another when conducting single-subject research is to ______.
A) ensure the quality of the intervention used
B) avoid confusion about the effect of the intervention
C) the subject may benefit from both interventions
D) avoid homeostasis and researcher bias

Question

Quizplus · Accepted Answer

Focusing on a single variable allows the researcher to isolate the effect of the intervention on the outcome. Introducing multiple variables at once could lead to confusion about which variable is responsible for changes in the outcome.

A Primary Reason for Focusing on a Single Variable Before