Answer:
Unnecessary Constraint
Explanation:
This is a kind of barrier to problem solving in which the person places a barrier to innovative thought of solving a problem.
Johnny has placed a boundary on the task at hand, hence, he founds it difficult to see any other solution to his problem apart from the one he has always employed.
Johnny's imposed constraint has stopped his innovative thought of finding an alternate route to his Grandmother's place without making use of the path he is used to taking.
1. Stay calm and take time to lower temper (if needed).
2. Respectfully explain how cheating did not occur.
3. Use evidence of not cheating if applicable in a respectful manner.
4. Pause and listen to teacher if they have anything to say in response.