Conversation so far:
How does John Edward back up his psychic abilities?
Critics of John Edward assert that he performs the mentalist techniques of hot reading and cold reading.
What is involved in a hot reading?
In hot reading, the reader uses information about the person receiving the reading (for example, from background research) which the receiver is not aware that the reader already knows.

Question: What other techniques does he use?
Self-contained rewrite: What other techniques does John Edward use besides hot reading?