The (1)____of seeing "live" shows in the living room was immediately attractive — and the (2)______are still being measured. (3)_____ was developed at a time when Americans were becoming more affluent and more mobile. Traditional family ways were weakening. Watching TV soon became a social (4)____. Millions of people set up their activities and lifestyles around TV's(5) _______ schedule. In fact, in the average American household, the television is watched 7 hours a day.