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2. & Experimental and quasi-experimental designs for research. Chicago: Rand McNally, 1963.
3. & Structural compatibility inventory (SCI)-An instrument for assessing learning structure condition. Paper presented at the Forty-Ninth Annual Meeting of the National Association for Research in Science Teaching, San Francisco, April 1976.
4. & Individual differences in learning as a function of instructional variables. USOE Report No. OEC-4–6–061269–1217, Washington, D. C., 1969.
5. Life Style, Learning Structure, Congruence and Student Attitudes