Hiring a Trainer - Vocabulary

When interviewing a private trainer or behaviorist, take note of the words he/she uses during your conversation. Also take note of what is on the trainer's website.

Trainers who don't know their limitations

Years ago when I was active duty Air Force, I volunteered to serve as a tax preparer for my unit. One of my unit members came in with a particularly difficult tax issue. I had to suspend  tax preparation and take a day to research her issue further. 

I was very concerned that this person would loose faith in me as her tax preparer because I didn't know the answer to her issue right on the spot.   

Hiring a Trainer - Where to start your search

So we've discussed in detail things to look for when hiring a trainer (and we are not done yet). But how do you even find a trainer to interview and scrutinize?