this research is a new attempt in order to study the effect of evolution theory in the dimension of empirical ethics. in the contemporary area the evolutionary ethics is in the three branches: descriptive, prescriptive and meta-ethics. the descriptive evolutionary ethics tries to modify human’s ethical believes in the evolutionary aspect and achieves more share from two others part in this grou...

A year before his death, Kurt Lewin taught a graduate course at MIT on theories in social psychology. Stanley Schacter, a student enrolled in the course, described it as “more philosophy of science than a review of different theories. Its purpose was to teach students what a theory is, how to test a theory appropriately, and what makes a theory useful” (Higgins, 2004, p. 138). In this light, Le...