[DanBC]

> There is evidence that the games kids choose and how they react with each other has an effect though, and some of that seems to be affected by natural gender-sensitive bias.

Research is of varying quality. We see some terrible research comin from actual professors in real universities. Here's one example of someone at a prestigious institution who has anti-science viewpoint: http://wjh.harvard.edu/~jmitchel/writing/failed_science.htm

So, when companies like Mattel (or whoever) do research into the colour pink and girl's toys we should probably be a bit wary about the conclusions they draw, especially when they don't release the full data.