Conflict arises when . people are acting immature
group members are too similar
people's needs are not met
a group member is an unpleasant person

Conflicts arises when two groups or individuals interacting in the same

Explanation:

The first factor is one's needs; when those things essential to personal well-being are being denied or taken away, conflict is likely to follow. Another factor is one's perceptions, such as when there is more than one way of looking at a situation.

You're welcome :D

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.