DRU-1205-CTI

November 1995

Prepared for Office of Educational Technology
U.S. Department of Education

Critical Technologies Institute

The RAND unrestricted draft series is intended to transmit preliminary results of RAND research. Unrestricted drafts have not been formally reviewed or edited. The views and conclusions expressed are tentative. A draft should not be cited or quoted without permission of the author, unless the preface grants such permission.

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