QuoteOn Wednesday, McClean put out a brief statement denying the claim.
"I have NEVER had Christine Blasey Ford, or anybody else, prepare me, or provide any other type of assistance whatsoever in connection with any polygraph exam I have taken at anytime," McClean said.

Quote
https://www.washingtonpost.com/news/national/wp/2018/09/27/kavanaugh-hearing-transcript/
...
MITCHELL: Have you ever had discussions with anyone, beside your attorneys, on how to take a polygraph?
FORD: Never.
MITCHELL: And I don't just mean countermeasures, but I mean just any sort of tips, or anything like that.
FORD: No. I was scared of the test itself, but was comfortable that I could tell the information, and the test would reveal whatever it was going to reveal. I didn't expect it to be as long as it was going to be, so it was a little bit stressful.
MITCHELL: Had — have you ever given tips or advice to somebody who was looking to take a polygraph test?
FORD: Never.
....
Quote
...
During the time we were dating, Dr. Ford lived with Monica L. McLean, who I understood to be her life-long best friend. During that time, it was my understanding that McLean was interviewing for jobs with the FBI and the US Attorney's Office. I witnessed Dr. Ford help McLean prepare for a potential polygraph exam. Dr. Ford explained in detail what to expect, how polygraphs worked and helped McLean become familiar and less nervous about the exam. Dr. Ford was able to help because of her background in psychology.
...