| Country | Country: United States |
|---|---|
| GDP per capita | 54.313 |
| Context details | Public schools in Colorado that volunteered to participate; participating schools are not representative of all Colorado elementary schools |
| Age | Grades 3, 4 |
| Implementation year | 2007 |
|---|---|
| Implementer | Government |
| Duration (months) | 16 |
| Cost | Approximately $1,000 per school |
| Intervention details | Principals and teachers were provided with handbooks and textbooks for professional development on classroom assessment; 33 schools participated |
| Evaluation design | Randomized evaluation |
|---|---|
| Cluster definition | School |
| Sample | Outcome | Test | Source Table | Observations | Statistics on Effects |
|---|---|---|---|---|---|
| Complete sample | Math | CASL test | 4 | 9596 | YT1: 502.49; YC1: 501.91; Effect Size: 1.00; CI lower bound: -6.23; CI upper bound: 7.38 |