Table 4. Item Characteristics by ACT Concept (N = 2361).
| ACT Concept | No. Items | Score Range | No. Completed Responses | Mean Response | Standard Deviation | Reliability | ||
|---|---|---|---|---|---|---|---|---|
| Item-Total Correlation 1 (Range) | Cronbach Alpha | Alpha after item deleted | ||||||
| Leadership | 6 | 1–5 | 2307 | 3.748 | 0.793 | (0.681, 0.815) | 0.91 | (0.88, 0.90) |
| Culture | 6 | 1–5 | 2298 | 3.894 | 0.578 | (0.520, 0.573) | 0.80 | (0.75, 0.77) |
| Evaluation | 6 | 1–5 | 2299 | 3.202 | 0.861 | (0.717, 0.841) | 0.92 | (0.90, 0.92) |
| Social Capital | 6 | 1–5 | 2315 | 3.969 | 0.518 | (0.509, 0.622) | 0.80 | (0.76, 0.78) |
| Formal Interactions | 4 | 0–4 | 2286 | 1.444 | 1.087 | (0.134, 0.492) | 0.59 | (0.42, 0.69) |
| Informal Interactions | 9 | 0–9 | 2253 | 4.284 | 2.042 | (0.368, 0.640) | 0.80 | (0.76, 0.79) |
| Structural and Electronic Resources | 11 | 0–11 | 1288 | 3.866 | 2.530 | (0.281, 0.611) | 0.80 | (0.77, 0.80) |
| Organizational Slack: | ||||||||
| Time | 4 | 1–5 | 2320 | 2.967 | 0.645 | (0.576, 0.654) | 0.80 | (0.72, 0.76) |
| Space | 3 | 1–5 | 1611 | 2.714 | 1.072 | (0.466, 0.813) | 0.80 | (0.53, 0.88) |
| Staff | 2 | 1–5 | 2334 | 3.066 | 1.069 | (0.758) | 0.86 | N/A |
An extra item is asked in the long term care (LTC) version (Informal Interactions–interactions with healthcare aides; Staff—We have enough staff to make sure residents have the best day.
1 Item-Total Correlation = correlation between each item in an item set and the overall score (e.g., mean) for that item set; values > 0.30 are considered acceptable