الفهرس 
chapter 1Only 14 pages are availabe for public view
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Abstract
the role played by the teacher can be adequately describ only in relation to the role played by the students. studying the activities of teachers in the classroom without at the same time analyzing the action of the students would give adistorted and incompleted view of the teaching process. science teachers in five middle school in the leon county school district, tallahassee, florida. the science curriculum assessment system scas was used to code teacher behavior.