A customer satisfaction (CSAT) survey measures how satisfied customers are with a specific experience. It also helps you identify areas to improve for a particular value you provide.
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A typical CSAT survey uses a Likert scale question type from 1 – 5. On this scale, 5 means "highly satisfied" and 1 means "highly unsatisfied." The question usually reads, "How would you rate your overall satisfaction with the [goods/service] you received?"
High customer satisfaction (from pleasurable experiences) strongly predicts customer and client retention, loyalty, and product repurchase.