| Original language | English (US) |
|---|---|
| Pages (from-to) | 766-786 |
| Number of pages | 21 |
| Journal | Child development |
| Volume | 39 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1968 |
| Externally published | Yes |
ASJC Scopus subject areas
- Pediatrics, Perinatology, and Child Health
- Education
- Developmental and Educational Psychology
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