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I'm skeptical of metrics like "x% of people involved said they were satisfied" for estimating cost-effectiveness. Customer satisfaction doesn't really connect very well to any of the things I care about; in most cases I'm happier with a rough estimate of lives saved/units of suffering prevented/QALYs purchased/etc. per dollar than with a more precise accounting of things that touch less directly on the end goal.
I'm skeptical of metrics like "x% of people involved said they were satisfied" for estimating cost-effectiveness. Customer satisfaction doesn't really connect very well to any of the things I care about; in most cases I'm happier with a rough estimate of lives saved/units of suffering prevented/QALYs purchased/etc. per dollar than with a more precise accounting of things that touch less directly on the end goal.