When the government sets an effective price floor

Explanation:

A price floor, if set above the market equilibrium price, means consumers will be forced to pay more for that good or service than they would if prices were set on free market principles. Governments set price floors for a number of reasons, but the typical result is an increase of supply and decreased demand.

answer; i believe the correct answer is (minor); good luck

the answer to the question is punishment. or more specifically, positive punishment.

positive punishment occurs when a behavior is given a negative consequence for the individual doing the behavior.

sara no longer wants to ask questions (the behavior) because she is ridiculed by mr. smith (the punishment).

reinforcement is inaccurate because reinforcement always gives positive consequences for the individual doing the behavior, be it by introducing a pleasant consequence or removing an unpleasant one.