where's that experiment where the teacher had half the class make as many vases or boxes or something as fast as possible with the last one submitted for a grade and the other half only had to make exactly one thing as well as they could, and the iterative practice half made better quality things?
where's that experiment where the teacher had half the class make as many vases or boxes or something as fast as possible with the last one submitted for a grade and the other half only had to make exactly one thing as well as they could, and the iterative practice half made better quality things?