> In those days, you'd be spending too much time in front of your screen, and the worst that could happen was you'd worsen your eyesight, end up somewhat socially inept, or even get a job in the industry once you grew up.

Social ineptness of nerds is not because they spend time in front of computers. It's much more the other way round: those with a predisposition to ineptitude like computers.

Is there any _scientific_ evidence rather than folklore/gut feeling backing up the sentence above?