Dr.Hani Tiếng Việt
Applied Knowledge

Marketing & Business

One Metric Is Not Enough to Understand Customers

2 min readAssoc. Prof. Nguyen Hai Ninh
One Metric Is Not Enough to Understand Customers

Businesses often use one easy measure to understand customers: repeat purchase, email opens, satisfaction, or churn. These figures are useful but rarely explain what is happening on their own. A fall in repeat purchase may relate to experience, price, availability, changing needs, or a different buying cycle.

Reading customers better does not first require a large data system. It requires placing three types of evidence together: what customers did, what they said, and the context in which they were deciding. Behaviour identifies a journey point worth attention; feedback reveals expectations and obstacles; context explains why the same behaviour can mean different things.

Start with a specific decision

A retail chain deciding whether to change free delivery should examine cart abandonment at the fee threshold, actual delivery time by area, customer-service questions, and stated reasons for not completing an order. A specific management question separates needed evidence from merely interesting data.

Combine signals at one journey point

At ordering, a team can combine cart abandonment, chat questions about fees, and delivery area or promotion period. When all signals point to one obstacle, the team has a better basis for testing a change. When they conflict, it should investigate rather than rush into discounting.

Example. An online learning platform finds payment completion falling among evening mobile users. It receives promotion-code questions and discovers that the code field is hidden by the keyboard on some devices. The business fixes the payment flow before concluding that demand has fallen.

Turn insight into a test

If customers stop at payment because delivery information is missing, a team can test showing an expected delivery date earlier in one area, monitor abandonment, and define a stopping condition. This lets the business learn from a bounded change rather than react to one number alone.

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