| Tasks without customers (goods-centred tasks) | Tasks with customers (interaction-centred tasks) | Sum | ||||||||
| None | Taking payment | Serving with advice and taking payment | ||||||||
| None | Sample 1 Sample 2 | 0 0 | } 0 | 0 0 | } 0 | 0 0 | } 0 (0%) | |||
| IO | Sample 1 Sample 2 | 0 0 | } 0 | 47 1 | } 48 | 0 0 | } 0 | 47 1 | } 48 (9%) | |
| IS | Sample 1 Sample 2 | 0 40 | } 40 | 193 69 | } 262 | 90 0 | } 90 | 283 109 | } 392 (70%) | |
| IS + P + C | Sample 1 Sample 2 | 0 0 | } 0 | 76 15 | } 91 | 27 0 | } 27 | 103 15 | } 118 (21%) | |
| Sum | Sample 1 Sample 2 | 0 40 | } 40 (7%) | 316 85 | } 401 (72%) | 117 0 | } 117 (21 %) | 433 125 | } 558 (100%) | |