How to use it
Before you publish, explain it in two minutes to someone outside your field. Where they frown, you skipped a step: the curse of knowledge.
How sure we are
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
E Evidence: built from practice. What works for coaches and practitioners. Labelled that way.
Sources
Newton's "tappers" study (via Made to Stick).
Not medical, legal or financial advice.