Answer: Positive Punishment
Explanation:
Positive punishment is the term of operant conditioning which helps in reduction of undesired performance through implementing negative consequence in any particular situation. Punishment is given as the consequence to the person who is performing false acts so that in future such activity does not take place.
According to the question,punishment is given by coach to Marsha for fumbling is setting the example that if anyone fumbles in the game then push-ups is the consequence. Therefore,Sharon has become more careful and alert that she should not fumble as she knows the punishment for it.