Lenny's Podcast: Product | Growth | Career cover image

The UX research reckoning is here | Judd Antin (Airbnb, Meta)

Lenny's Podcast: Product | Growth | Career

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The Flaws of NPS and the Superiority of CSAT as a Metric

NPS is criticized for being a marketing industry self-promotion, with the survey science community finding it to be a flawed metric due to multiple reasons: using a zero to 11 scale, being unlabeled, and containing too many items. Additionally, the likelihood to recommend question is considered fundamentally flawed. In comparison, customer satisfaction (CSAT) metric is advocated as superior, possessing better data properties, precision, and correlation to business outcomes. Research conducted on Airbnb reaffirmed the superiority of CSAT over NPS, and it was concluded that NPS is idiosyncratic and inconsistent, making meaningful comparisons with industry benchmarks unreliable.

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