Which of the following is an example of negative reinforcement?
a. grounding a teenager for missing curfew
b. making a child sit in the corner until he says "i'm sorry"
c. giving a student extra credit for class participation
d. allowing a student to take a make-up exam

b. making a child sit in the corner until they say "I'm sorry"                                                                      

Explanation:            

Negative reinforcement: In psychology, the term negative reinforcement is a part of operant conditioning which is being described by one of the famous psychologist and behaviorist named B. F. Skinner.

In operant conditioning, the negative reinforcement is referred to as a behavior or a response that is being strengthened by avoiding, stopping, or removing a particular aversive stimulus or negative outcome.

In other words, the negative reinforcement is considered as a punishment or sanction for not doing something.

answer; inductive techniques;

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )