Dr. Meyer Friedman, who developed with a colleague the theory that the “Type A” behavior of chronically angry and impatient people raises their risk of heart attacks, died April 27 after a short ...

Douglas MacGregor's Theories X and Y classify employees as either extrinsically motivated by fear of consequences or desire for reward, or intrinsically motivated by a will to succeed, respectively.

AbstractThis study examined the effects of theoretical constructs from the theory of planned behavior (TPB) and value-belief-norm theory (VBN) on intentions to perform purchase and disposal behaviors ...