Match the Definition with the Term

Match the definition with the term.
-behavior analysis

A) a contemporary discipline comprising experimental,applied,and philosophical branches that use Skinner's ideas
B) a technique in which a pleasant stimulus is presented at the same time as a fear-evoking stimulus with the hope that over repeated exposures,the fearful response will be eliminated
C) an educational technique that breaks down complicated subjects into simple com-ponents that can be presented in order of increasing difficulty
D) learning that occurs incidentally and without immediate reinforcement