| Country | Country: United States |
|---|---|
| GDP per capita | 35.108 |
| Context details | Low-birthweight premature infants born in participating sites: Arkansas, Einstein, Harvard, Miami, Pennsylvania, Texas at Dallas, Washington, Yale |
| Age | At birth |
| Implementation year | 1985 |
|---|---|
| Implementer | Researchers |
| Duration (months) | 36 |
| Cost | N/A |
| Intervention details | Weekly then biweekly home visits; daycare 4 hours a day minimum in years 2, 3; bimonthly parent group meetings in years 2, 3; 8 sites participated |
| Evaluation design | Randomized evaluation |
|---|---|
| Cluster definition | Individual |
| Sample | Outcome | Test | Source Table | Observations | Statistics on Effects |
|---|---|---|---|---|---|
| Complete sample | Cognitive | Stanford-Binet | 2 | 908 | Coeff: 22.00; SD: 100.00; NT1: 347; NC1: 561 |