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    Joan I. Heller

    Joan I. Heller is director of Heller Research Associates. You can contact her at 230 Grand Ave., Suite 201, Oakland, CA 94610-4559, (510) 873-0808, fax (510) 873-0803, e-mail: jheller@edservices.org.

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      How can we tell what influence our staff development efforts have on the teachers who participate in them, or on their classrooms or students? Teachers, learning environments, and students continually change for many reasons, and attributing changes in student learning to a particular staff development experience is nearly impossible. We […]
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