The teacher said Rekha that she is not allowed to participate in Game period as she has not completed her home work. It is an example of:

Question

Accepted Answer

The situation described in the question is an example of punishment, which is correctly identified as Option 2. Here's a detailed explanation:

1. **Why Option 2 (Punishment) is Correct:**
   - Punishment involves introducing a consequence that decreases the likelihood of a behavior being repeated. In this scenario, the teacher is preventing Rekha from participating in the Game period because she has not completed her homework. This action is intended to discourage Rekha from neglecting her homework in the future. By removing a desirable activity (participating in the Game period), the teacher is using punishment to reduce the undesired behavior (not completing homework).

2. **Why the Other Options are Incorrect:**
   - **Option 1 (Negative Reinforcement):** Negative reinforcement involves removing an unpleasant stimulus to increase the likelihood of a behavior being repeated. In this case, the teacher is not removing an unpleasant stimulus to encourage homework completion; instead, she is imposing a consequence (not allowing participation in the Game period) to discourage incomplete homework. Therefore, this is not an example of negative reinforcement.
   
   - **Option 3 (Positive Reinforcement):** Positive reinforcement involves adding a pleasant stimulus to increase the likelihood of a behavior being repeated. The scenario does not involve adding a pleasant stimulus to encourage homework completion. Instead, it involves removing a pleasant activity as a consequence of not completing homework, which is characteristic of punishment, not positive reinforcement.
   
   - **Option 4 (Tangible Reward):** A tangible reward involves giving a physical or material reward to encourage a behavior. In this situation, there is no mention of providing a tangible reward to Rekha. Instead, the focus is on the removal of a privilege (participation in the Game period) as a consequence of not completing homework, which aligns with the concept of punishment.

In conclusion, the scenario is a clear example of punishment, as it involves imposing a consequence to decrease the likelihood of an undesired behavior, which is why Option 2 is the correct answer.