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Reference table

Ways to test a health score compared

Backtest, survey, CSM calls and AI interviews on what a CS Ops lead needs

Table comparing a backtest, NPS or CSAT surveys, CSM-run calls and Koji AI interviews for testing a customer health score.
A backtest comes first, but only interviews tell you why the score missed

A comparison of four ways to check a customer health score: a backtest on past renewals, an NPS or CSAT survey, calls run by the account owner, and AI-moderated interviews. The criteria are the ones a CS Ops lead weighs: the reason behind a miss, sample coverage, independence, consistency, time to read and effort. Koji is the highlighted column.

Where this appears

What's in this reference table

Backtest onlyNPS or CSAT surveyCSM-run callsKoji AI interviews
Tells you why the score missedNoRarelyYesYes, with follow-ups
Covers a stratified sampleYesYesHard to staffYes
Independent of account ownerYesYesNoYes
Same questions every timeYesYesNoYes
Time to read across accountsFastFastSlow, manual notesReport builds as interviews finish
Effort per accountNoneLowHighLow

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<a href="https://www.koji.so/visuals/health-score-calibration-methods-compared"><img src="https://www.koji.so/visuals/health-score-calibration-methods-compared/health-score-calibration-methods-compared.png" alt="Table comparing a backtest, NPS or CSAT surveys, CSM-run calls and Koji AI interviews for testing a customer health score." width="1200" height="799" /></a>
<p>Source: <a href="https://www.koji.so/visuals/health-score-calibration-methods-compared">Ways to test a health score compared</a>, Koji</p>