Sweet Uncertainty Is A Powerful Motivator

What makes a great training session from a psychological point of view? A coach we work with closely in Montréal, Charles Gaston-Couturier, describes the challenge of a good training set using something he calls 'Sweet Uncertainty', based on work by Brunelle in 1988 [1].

Visually it looks a little like this:

To the left side of the graph we have a goal t…