Training Evaluation Rapport Archive NLP Training Evaluation Rapport Issue 36 Publication Date December 28th 2013 Authors Sue Knight The sound of whistling echoed around the aircraft hangar. We waited expectantly. This was the start of one of the Squadron Leader’s practice training sessions. The topic: the Doppler Effect. The whistling was the attention grabbing part of the introduction designed to communicate the way sound changes; the theme of the session. The whistling suddenly stopped. Politely we remained seated. Eventually someone decided to look outside. The man had tripped over a cable and was unconscious on the other side of the hall! I never did learn more about the Doppler Effect that day.... NLP To access the rest of this article, you need to use 1 credit ANLP members get complimentary credits that can be used for purchasing from the Rapport archive - a collection of more than a 1000 high quality articles written by some of the leading voices in the field of NLP. Non-members can buy Rapport credits via the ANLP store. JOIN ANLP BUY RAPPORT CREDITS If you have already purchased this article, you can log in to access it