An evaluation of children's performance on certain cognitive, affective, and motivational aspects of the systems and subsystems unit of the science curriculum improvement study elementary science program

1973 ◽  
Vol 10 (2) ◽  
pp. 125-134 ◽  
Author(s):  
Leslie R. Allen
2000 ◽  
Vol 100 (4) ◽  
pp. 181-193 ◽  
Author(s):  
Renée S. Schwartz ◽  
Norman G. Lederman ◽  
Fouad Abd-El-Khalick

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