We obviously don't ask people to drive around and see how many car accidents they have. That would be a little costly proposition. But we design tasks on the computer where we can measure, to millisecond accuracy, how good they are at switching from one task to another.
といっても 実際に事故に 遭ってもらうわけにはいきません といっても 実際に事故に 遭ってもらうわけにはいきません そこで精密なコンピューターを使って 一つの作業から別の作業に