How Google measures developer productivity | Ciera Jaspan, Collin Green (Google)
Engineering Enablement by Abi Noda
How to Cross Validate Surveys and Log Based Metrics
Google has been using surveys and log based metrics in combination. Have you run into discrepancies between the two types of data? What have you learned from these instances where the data isn't lining up? Yeah, we've had a couple cases where there's been discrepancies. One is that the logs data was wrong. Happens rather regularly when there's a discrepancy. The other is that there's some underlying facet that we weren't measuring yet that is resulting in these things being different.
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