Cooperative learning (cooperative learning) and the early 1970s, the rise in the United States, and in the mid-1970s to the mid-1980s, substantial progress in a creative and effective teaching theories and strategies.

Cooperative learning (cooperative learning) is a early 70s of the 20th century, and emerged in the United States in the mid-70s to mid 1980s a substantial progress in such a creative and effective teaching theory and policy.

The cooperation study (cooperative learning) is the 20th century at the beginning of 70's emerges in US, and makes the substantive progress in the 70's intermediate stages to the 80's intermediate stages one kind of rich creativity and the actual effect teaching theory and the strategy.

Cooperative learning (cooperative learning) is the rise in the early 1970 of the 20th century in United States, and in the mid-70 to 80 medium to make substantive progress in an innovative and effective teaching of theory and policy.

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