1. He only wrote one book.
2. It had no references.
3. It was not published in a refereed journal.
4. He did not apply for ethics clearance before using human subjects.
5. His results cannot be replicated by the scientific community.
6. His cooperative efforts have been quite limited.
7. Although there were only ten requirements, most students failed his tests.
8. He keeps irregular office hours and some of these are on a mountain top.