Parents and teachers interviewed for this article say that in teachers' zeal to expose and eliminate cheating, they must be careful to have proof and not just a suspicion of wrongdoing. "My daughter worked extra hard on a book report for school. She put a lot of effort into writing and rewriting," said one parent. "When her teacher read the report, he accused her of getting help from a parent. I knew the work was her own, and when I confronted the teacher, he backed down. But this experience left my daughter confused and frustrated. 'Why should I work hard?' she said to me. 'The teacher is only going to accuse me of cheating if I do my best.'"