ABA glossary
Bias (matching law)
Also called response bias
Definition
A consistent preference for one alternative that measured reinforcement does not explain, such as a favored location, an easier response, or an unmeasured reinforcer.
Example from a session
A learner keeps choosing the left key even when both keys pay off equally.
Can you spot bias (matching law) in a scenario?
Practice BCBA B.23 with exam-style questions and instant feedback.