Answer:
a) expectancy theory
Explanation:
Based on the information provided within the question it can be said that Coach Blocker's approach to motivation is consistent with expectancy theory. This theory believes that an individual will behave in a certain way due to the results of that behavior being what they want , thus motivating them to choose to behave that way. Which is what the coach is doing by stating that the result of working out in the summer would be that the players can skip the sprints, thus motivating them to behave in that way.