Instead of being simply society's whipping boy and the root of all cultural evil, the so-called "idiot box" might actually boost test scores, especially in disadvantaged homes, a recently published study out of the University of Chicago says.

Even as it baby-sits electronically, the TV can be teaching both modes of learning and facts, other studies suggest, and keeping those who watch it from engaging in more destructive behaviors.

That's the good news about the boob tube. There's certainly bad, including the warning that "there's no two-dimensional screen that can equal a three- dimensional caregiver," says Dr. Donald Shifrin, the American Academy of Pediatrics spokesman on the impact of media on children. Then there's the study showing kids who watch more TV do less reading.

The stereotype is of the viewer numbly flipping through channels, looking for anything of interest. Instead, seek out what you have good reason to believe will be good or interesting and watch then or set your DVR or VCR to record it. You don't read books or go to films at random, do you? To find out what the critical consensus is for kids' TV, try www.commonsensemedia.org.