Suggestions to increase customer knowledge about loyalty programs | Response (%) | Mean | Ranking |
Brochures | 20.1 | 20.1 | 2 |
Poster | 11.3 | 11.3 | 4 |
SMS messages | 49.5 | 49.5 | 1 |
Internet advertising | 19.1 | 19.1 | 3 |
N = 200 | 100 |
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