Which customer retention metric, developed in 2003, asks customers 'How likely are you to recommend our company to a friend or colleague?' on a 0-10 scale?

Customer retention is a critical factor in retail success, with research showing it costs 5-25 times more to acquire a new customer than to retain an existing one. Modern retailers employ sophisticated strategies to encourage repeat business and build customer loyalty. This trivia question explores one of the most influential metrics that has revolutionized how businesses approach customer retention strategies. Test your knowledge about this vital aspect of retail economics!

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Net Promoter Score (NPS)
Customer Effort Score (CES)
Customer Satisfaction Index (CSI)
Repeat Purchase Rate (RPR)