
Healthy and Ready to Learn: National and State Data on 3-Year-Old Development - Resources
June 18, 2026
For those interested in learning more, Child Trends is developing multiple resources about the HRTL measure. Check back as we add more.
Research briefs
This series of research briefs explores the broader conditions influencing the developmental well-being of 3 year-olds:
- Daily Experiences Are Associated With Developmental Well-Being at Age 3
- Family Characteristics Are Associated With Developmental Well-being at Age 3 (forthcoming)
- Health and Health Care Access Are Associated With Developmental Well-being at Age 3 (forthcoming)
- Neighborhood Characteristics Are Associated With Developmental Well-being at Age 3 (forthcoming)