David Carroll 🦣
@profcarroll
associate professor of media design at Parsons, subject of The Great Hack (2019) on Netflix, boardmember @checkmyadshq @fboversight, admin of https://t.co/Vt7rrEGFzb
10-07-2008 23:30:40
49,6K Tweets
127,1K Followers
4,2K Following
David Carroll 🦣 Been saying this since late 2014. But it's just math. If you work through it, you will come to the same conclusion. Don't just buy the bs--do a little stats work. It's not hard. I can even send you an R script to get you going.
Aleksandr Kogan Instead, can we discuss why you found it acceptable to process US voter data in a foreign territory? Efficacy of psychometrics is a red-herring to this deeper question.
David Carroll 🦣 So you don't actually want to do your homework on the stats before voicing an opinion. Glad we got that cleared up ;)
Greg Scribbler Aleksandr Kogan David Carroll 🦣 Michal Kosinski As Aleksandr Kogan says I wrote this independently on how ineffective the approach was likely to be: medium.com/@Soccermatics/…
David Sumpter Greg Scribbler Aleksandr Kogan David Carroll 🦣 Take a measure with r=.45 accuracy. How accurately can it distinguish between top and bottom 10% of users (extreme cases are usually most interesting)? 90%. What fraction of those with top 10% scores are above average? 82%. Those are the typical scenarios, and not ranking pairs.
Michal Kosinski David Sumpter Greg Scribbler Aleksandr Kogan David Carroll 🦣 Fwiw. We found similar here ieeexplore.ieee.org/document/63029…
