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SANDY KOUFAX WAS ONE OF THE GREATEST pitchers in the history of baseball. Although he was naturally talented, he was also unusually well trained and disciplined. He was perhaps the only major-league pitcher whose fastball could be heard to hum. Opposing batters, instead of talking and joking around in the dugout, would sit quietly and listen for Koufax's fastball to hum. When it was their turn to bat, they were already intimidated.
There was, however, a simple way for Koufax's genius to have been negated: by making the first author of this article his catcher. To be great, a pitcher needs an outstanding catcher (his great partner was Johnny Roseboro). David is such an unskilled catcher that Koufax would have had to throw the ball much slower in order for David to catch it. This would have deprived Koufax of his greatest weapon.
Placing Roger at key defensive positions in the infield or outfield, furthermore, would have seriously affected Koufax's success. Sandy Koufax was not a great pitcher on his own. Only as part of a team could Koufax achieve greatness. In baseball and in the classroom, it takes a cooperative effort. Extraordinary achievement comes from a cooperative group, not from the individualistic or competitive efforts of an isolated individual.
In 1966 David began training teachers at the University of Minnesota in how to use small groups for instructional purposes. In 1969 Roger joined David at Minnesota, and the training of teachers in how to use cooperative learning groups was extended into teaching methods courses in science education. The formation of the Cooperative Learning Center soon followed to focus on five areas:
1. Summarizing and extending the theory on cooperation and competition.
2. Reviewing the existing research in order to validate or disconfirm the theory and establish what is known and unknown.
3. Conducting a long-term program of research to validate and extend the theory and to identify (a) the conditions under which cooperative, competitive, and individualistic efforts are effective and (b) the basic elements that make cooperation work.
4. Operationalizing the validated theory into a set of procedures for teachers and administrators to use.
5. Implementing the procedures in classes, schools, school districts, colleges, and training programs.
These five activities result in an understanding...





