Positive/Negative Reinforcement + Punishment

If a worker continues to work hard on the job and thus avoids the boss's criticism, _______________ reinforcement is occurring.

I always clean the house to get rid of a mess

A toddler is given a cookie after saying “please”. Now he says please all the time.

I take my vitamins every day to avoid getting sick

A dolphin trainer walks away with a the fish bucket when a dolphin gets aggressive. The dolphin behaves in the future. What type of behavior modification is this?

A student is yelled at by the teacher for being late. he's never late again.

A child gets his toys taken away for fighting with his sister. Now he gets along with his sister.

A student who is disruptive can no longer listen to music during work time. Now he behaves during class.

Watching your favorite TV show after doing all of your homework.

Getting a candy bar after putting money into a vending machine