Film actors like Clark Gable, and radio entertainers like Jack Benny did more than make Americans laugh or cry.

VOA: special.2011.05.19

The laugh track makes things a lot funnier because people laugh a lot more when they're in groups.

笑声音轨让影视内容更好笑,因为如果有一大群人在笑，人们会更容易笑。

耶鲁公开课 - 心理学导论课程节选