Jumping for the Jelly Beans (1 of 2)

Fredrick Herzberg's Two Factory Theory of motivation and Job Enrichment. Explained by the man himself in a very atmospheric smoke-filled 1970s lecture theatre.
For another great video explaining the impact that Elton Mayo had on motivation in the 1930s, go here: • AT&T Archives: The Yea...
(To paraphrase: Everybody knows that people are important in business, but nobody had associated worker satisfaction with output and productivity.)