Different Measure of Intelligence Peak at Different Ages

One potential concern with cross-sectional data is that it may be subject to cohort effects. Our findings in Experiment 2 are consistent with the possibility that people born in 1945 have unusually large vocabularies, people born in 1980 have unusually good working memory, and people born in 1990 have unusually fast processing speed. Such concerns can be mitigated by converging results from cross-sectional datasets collected at different times (Schaie, 2005). Here, we compared results derived...

 Programmers Get Better with Age

This kind of data is hard to come by, but thanks to almighty Stackoverflow ands their wise decision (thanks Joel), to make this data publicly available we can mine this data to our collective benefit. With a simple bash script to download the data, a small Java program to extract the stats and Google Docs to make the graphs, I was able to produce some interesting stats. I pulled in data of about 70.000 developers whose Stackoverflow reputation is over 100. On average 53% of them have their ...