Cooperative learning

This is a good summary of 30 cooperative learning strategies:  https://docs.google.com/viewer?a=v&pid=sites&srcid=cG9ydGVydmlsbGVzY2hvb2xzLm9yZ3xjb21tb24tY29yZS1yZXNvdXJjZXN8Z3g6MmQ4ZGQwMDUyYzAzYmY4Zg 

Has anyone used any of them to help develop a positive learning environment?