Table 2. Descriptives.
| Condition | Day | n reg | npart(%) | Number of contacts | Contact duration | Experience | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | M ± SD | Median | IQR | Range | M ± SD | Median | IQR | n | Regulation | Pleasantness | Help | ||||||
| reward | no | 6 | 16–17h | 275 | 188 (68%) | 0–24 | 8.4 ± 5.3 | 8 | 4–12 | 2–22 | 7.0 ± 4.0 | 5.9 | 4.0–8.5 | 240 | 4.3 ± 0.8 | 4.0 ± 0.9 | 4.1 ± 0.9 |
| yes | 7 | 15–16h | 316 | 200 (63%) | 0–26 | 6.7 ± 5.1 | 6 | 3–9 | 2–28 | 5.6 ± 4.1 | 4.2 | 3.2–6.6 | 238 | 4.2 ± 0.8 | 4.0 ± 0.9 | 4.1 ± 0.8 | |
| signage | no | 3 | 15–16h | 237 | 170 (72%) | 0–33 | 9.5 ± 6.3 | 9 | 4–13 | 2–44 | 6.8 ± 4.7 | 5.6 | 4.3–8.0 | 194 | 4.1 ± 0.9 | 3.7 ± 1.0 | 3.9 ± 0.9 |
| yes | 6 | 15–16h | 222 | 152 (68%) | 0–27 | 6.1 ± 4.5 | 6 | 3–8 | 2–36 | 7.0 ± 5.9 | 4.8 | 3.6–8.0 | 240 | 4.3 ± 0.8 | 4.0 ± 0.9 | 4.1 ± 0.9 | |
| shopping carts | mandatory | 1 | 15–16h | 204 | 147 (72%) | 0–27 | 7.7 ± 5.7 | 6 | 4–10 | 2–48 | 7.4 ± 5.9 | 6.0 | 4.0–8.7 | 324 | 4.2 ± 0.8 | 3.8 ± 1.0 | 3.9 ± 1.0 |
| optional | 3 | 15–16h | 237 | 170 (72%) | 0–33 | 9.5 ± 6.3 | 9 | 4–13 | 2–44 | 6.8 ± 4.7 | 5.6 | 4.3–8.0 | 194 | 4.1 ± 0.9 | 3.7 ± 1.0 | 3.9 ± 0.9 | |
Table notes nreg indicates the number of incoming customers, as registered by the camera at the entrance, and npart indicates the number of customers who agreed to wear a tag and participate in the study.