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If we pop our head into any classroom, we may well hear the steady beat of the Lockstep Waltz. Lockstep, because although the students may vary widely in ability, they are all required to learn at the same rate. Waltz, because the interaction between the teachers and students can be broken down into units which consist of three parts: 1) a stimulus by the teacher 2) a response by a student or students 3) a confirmation or correction by the teacher This particular example is taken from Iran2 and the first two units have been marked ; the reader may like to mark the other units.



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