Supplemental Material for Math Self-Concept, Grades, and Achievement Test Scores: Long-Term Reciprocal Effects Across Five Waves and Three Achievement Tracks

2017 ◽  
Vol 109 (5) ◽  
pp. 621-634 ◽  
Author(s):  
A. Katrin Arens ◽  
Herbert W. Marsh ◽  
Reinhard Pekrun ◽  
Stephanie Lichtenfeld ◽  
Kou Murayama ◽  
...  

1976 ◽  
Vol 5 (3) ◽  
pp. 5-12 ◽  
Author(s):  
ANNEGRET HARNISCHFEGER ◽  
DAVID E. WILEY

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