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Metrics can be used well - they often aren't. And many of the issues created by their misuse can be addressed by better design. In case you haven't seen me mention it yet, here's my new paper on doing metric design more thoughtfully: https://mpra.ub.uni-muenchen.de/90649/1/MPRA_paper_90649.pdf …pic.twitter.com/A1xoDSYSLv
Just mentioning some people who might be interested in the new paper. cc: @jerryzmuller @hughmcguire, @acroll, @d_k_mears, @dannycolincom, @cmplxtv_studies, @SoniaKoesterer, @koehrsen_willhttps://twitter.com/davidmanheim/status/1083490246858203136 …
Cool! Have you seen this recent paper by Jon Kleinberg characterising what decision rules (metrics) discourage gaming? https://arxiv.org/pdf/1807.05307.pdf …
No, but that's a great reference, and it connects nicely to some of the more formal work I've been thinking about on specification gaming in multi-agent settings ( https://arxiv.org/abs/1810.10862 ) , which they suggest as a direction for further work.
Would be great to discuss further at some point, as we are working on a new framework that copes with complexity
I'd be happy to chat if you are interested. I'd note that a large part of what I see failing in metric design isn't due to complexity and irreducible uncertainty, but failure to account for known (or easily knowable) incentives and feedback in complicated but predictable systems.
Spot on. I was reminded of this: “just because people call it a law doesn’t mean you have to treat it like one.” For example, while there’s a thing called Fitt’s law, there are lots of design methods to reduce and circumvent ithttps://www.sketchplanations.com/post/125950885996/fitts-law-the-time-to-a-target-depends-on-the …
Interesting parallel - thanks!
Yes, better design, and agility in changing metrics when needed helps. But not when people their reputation or salary depends on sticking to a metric against all logic.
Yes. Metric design as a tool can help when people want to do better. When the designer's goal is not to have the system succeed short of replacing the management with people or driven by (possibly selfish) motives that are more closely aligned, there's no advice that will help.
Great to see a paper clarifying and laying out a lot of notions that have been sitting in my head. One thing I don't think I see mentioned is when designing a metric, I'll try for ones where when people do game it, the gaming behavior is at least a positive behavior
That's an interesting point, and I didn't quite think of in that way. It relates to what I was discussing in pre-gaming the metric, where I said to be careful that the "metric does dictate exact methods."
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