Question

According to skinner, __________ strengthens a behavior by making the avoidance of an undesirable consequence contingent on its occurrence.

Answer 1

The answer to this question is Negative Reinforcement
On example of a negative reinforcement is if you spank your children everytime they neglected their homework.
Doing this will make your children associate the act of neglecting homework with pain which make them more likely to never neglect their homework agian.