In each of their tests, the researchers split their subjects into two groups: those who regularly do a lot of media multitasking and those who don't.

Do they simply ask "Do you do a lot of media multitasking?" ?

Children are very good at filtering what they understand and what they don't from material aimed at adults.

Yeah. I show my kids porn. They go: "Ooh dad look! Now she's pretending to be a dog!"

P.S. I actually did see a funny and witty comment on /. a few days ago.

Link, or it didn't happen.

In that case I should have had many Nobel Prizes for my physics experiments.

'MacHeads is a superb film that will give Apple haters a few cheap laughs, and Apple fans a few cheap thrills. But it'll entertain both equally, while educating everybody else'

I like this quote. It basically says that if you're not a fan and not a hater, it's because you're not educated properly!