The sample design looks at four analytical strata in Tanzania across ... upon which the 2020/21 report is based. The National Panel Survey (NPS) provides high-quality household-level data to the ...
The Net Promoter Score (NPS) is widely used, generally as a word-of-mouth indicator or as a proxy for customer satisfaction. Thousands of businesses and brands use the metric (Colvin, 2020), aided by ...
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