Before revision: On game shows and Beauty pageants, the isolation booth might be used to prevent contestants from hearing the other player's answers (such as on Twenty-One, Family Feud, Win Ben Stein's Money, 50 Grand Slam, The 64,000 Challenge, and the CBS version of Double Dare), from hearing the audience (The 64,000 Question , Raise the Roof , The 1,000,000 Chance of a Lifetime, and Name That Tune), from seeing moves or plays made by a player (Whew!, Solitary) or sometimes for comedic effect only (Idiot Savants).
After revision: On game shows and Beauty pageants, the isolation booth might be used to prevent contestants from hearing the other player's answers (such as on Twenty-One, Family Feud, Win Ben Stein's Money, 50 Grand Slam, The 64,000 Challenge, and the CBS version of Double Dare), from hearing the audience (The 64,000 Question Raise the Roof, , The 1,000,000 Chance of a Lifetime, and Name That Tune), from seeing moves or plays made by a player (Whew!, Solitary) or sometimes for comedic effect only (Idiot Savants).