search query: @author Siegfried, J. J. / total: 9
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| Author: | Siegfried, J. J. Sweeney, G. H. |
| Title: | Bias in economics education research from random and voluntary selection into experimental and control groups. |
| Journal: | American Economic Review
1980 : MAY, VOL. 70:2, p. 29-34 |
| Index terms: | STUDENTS TEACHING METHODS ECONOMICS EDUCATION LEARNING |
| Language: | eng |
| Abstract: |
SCIMA