To sum up, the author made an oversimplified assumption which really lacks of evidence. To strengthen the conclusion, the author should give more evidences about the details of the study.

• 这段挑出了一个错误，但可以扩展下，其实有很多情况使得实验中的结论不可能对所有人适合，其实是犯了从部分特征推整体的谬误）