| Original language | English (US) |
|---|---|
| Pages (from-to) | 1337-1342 |
| Number of pages | 6 |
| Journal | Child development |
| Volume | 35 |
| DOIs | |
| State | Published - Dec 1964 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Pediatrics, Perinatology, and Child Health
- Education
- Developmental and Educational Psychology
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