Martin, both you and Mr. Haney bring up some excellent points, as usual.

If I may, let me back up a step. As technicians looking at possibilities and determining a diagnostic path, we also need to be aware of and address our own cognitive biases - these are part of being human, and can have an effect on our diagnostic approach:

http://www.businessinsider.com/cognitive-biases-that-affect-decisions-2015-8

Michael Joachim
Owner
Mike Joachim
Pelham, Alabama, USA