Effect of immediate and delayed praise and blame upon learning and recall
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York City
Teachers college
1934.
|
| Cyfres: | Teachers college, Columbia university. Contributions to education, no. 620
|
| Pynciau: |