Table 2. Evaluation methodology and size of demonstration.
| Demonstration | Comparison methodology | Number of States | Number of sites | Sample size |
|---|---|---|---|---|
| Worcester Home Care | Random assignment | 1 | 1 | 485 |
| NCHSR Day Care/Homemaker | Random assignment | 4 | 6 | 1,566 |
| Triage | Comparison group outside area | 1 | 1 | 502 |
| Washington CBC | County-level comparison | 1 | 2 | — |
| ACCESS | County-level comparison | 1 | 1 | — |
| Georgia AHS | Random assignment | 1 | 1 | 1,332 |
| Wisconsin CCO | Random assignment | 1 | 1 | 417 |
| On Lok | Comparison group outside area | 1 | 1 | 139 |
| OPEN | Random assignment | 1 | 1 | 335 |
| MSSP | Comparison group within and outside area | 1 | 8 | 4,200 |
| South Carolina CLTC | Random assignment | 1 | 1 | 1,867 |
| Nursing Home Without Walls | Comparison group within and outside area | 1 | 9 | 1,373 |
| New York City Home Care | Comparison group outside area | 1 | 1 | 704 |
| Florida Pentastar | Random assignment plus comparison group outside area | 1 | 5 | 1,046 |
| San Diego LTC | Random assignment | 1 | 1 | 831 |
| Channeling | Random assignment | 10 | 10 | 6,326 |
NOTE: The full names of all demonstrations are shown in Figure 1.