# Infant sustained attention but not joint attention to objects at 9 months predicts vocabulary at 12 and 15 months

> Research article (Developmental Science, 2018) · cited 250× · AI/ML

**Wikidata**: [openalex:W2894065501](https://www.wikidata.org/wiki/openalex:W2894065501)  
**Source**: https://4ort.xyz/entity/infant-sustained-attention-but-not-joint-attention-to-objects-at-9-months-predicts-vocabulary-at-12-and-15-months