Baldwin, Lionel V., authorDavis, Preston, authorMaxwell, Lee M., authorColorado State University, publisher2020-03-312020-03-311972-04https://hdl.handle.net/10217/201666CER71-72LVB43.April, 1972.Includes bibliographical references (pages 33-34).Special Report to the President's Science Advisory Committee, Panel on Educational Research and Development.technical reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Colorado State University -- Study and teaching (Graduate)Text