Influence of teacher waittime and question level on eighth grade students science achievement and attitudes toward science in Saudi Arabia - El Rashed, Ibraheem Mohammad, 1945; Andersen, Hans O (Indiana : Indiana University, 1984)
Thesis (Ph. D.)Indiana University, 1984
Includes bibliographical references (leaves 117-127)
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Keywords: Science -- Study and teaching -- Saudi Arabia; Science -- Study and teaching (Elementary)