What is described as an extinction burst?

An extinction burst refers to a phenomenon in behavior analysis where there is a temporary increase in the frequency or intensity of a behavior that occurs when reinforcement for that behavior is discontinued. This initial spike happens because the individual may become frustrated or confused by the lack of reinforcement, leading them to try harder to elicit the response that was previously reinforced.

In this context, after reinforcement stops, individuals often exhibit previously reduced or even new behaviors in an attempt to regain the reinforcement they are accustomed to receiving. As they begin to understand that reinforcement is no longer available, the behavior will eventually decline, leading to extinction.

The other definitions do not capture the essence of an extinction burst; they either describe steady or gradual declines, which do not reflect the initial increase that characterizes the phenomenon. Therefore, the correct understanding of an extinction burst hinges on recognizing that it is specifically marked by this temporary rise in behavior following the cessation of reinforcement.