MODERN MANAGEMENT Achievement Needs Theory ●David C.McClelland ●1950s o the needs of human being after the physiological and safety needs are met internal driving force ●1)achievement needs ●2)power needs 3)Needs for affiliation Modern ManageMent Achievement Needs Theory l David C. McClelland l 1950s l the needs of human being after the physiological and safety needs are met l internal driving force l 1）achievement needs l 2）power needs l 3）Needs for affiliation