… motivation is highest when the probability of success is 50 percent: We don't get involved if the task is too easy or too hard.
Judith M. Bardwick (1933 – )
![picture of Judith Bardwick](https://causeweb.org/cause/sites/default/files/styles/large/public/resources/fun/authors/Bardwick.jpg?itok=-5juyNTO)
… motivation is highest when the probability of success is 50 percent: We don't get involved if the task is too easy or too hard.
Judith M. Bardwick (1933 – )