Martella, Amedee Marchand. <br/><br/>
The relative effectiveness of different active learning implementations in teaching elementary school students how to design simple experiments / 
Amedee Marchand Martella, David Klahr, and Weiling Li. 
 - Washington ;   American Psychological Association ,   November 2020. 
 - Volume 112, pages 1582-1596 :  illustration ;  28 cm. 
<br/><br/> Journal of Educational Psychology, vol. 112, no 8, pages 1582-1596, November 2020. 
<br/><br/><label>Dewey Class. No.: </label>DPer 370.15 J826 October-November 2020 v. 112 n. 7-8