3 A brief history of Ep o31a brief history of western ep o The foundation of e p(before 1920s) o The development of E p (from 1920s till now o The development of child psychology and psychological test in 1920s to 1930s o The influence of freud in 1940s o The contribution of skinner in 1950s3 A brief history of E.P. ⚫ 3.1 A brief history of western E.P. ⚫ The foundation of E.P.(before 1920s) ⚫ The development of E.P.(from 1920s till now) ⚫ The development of child psychology and psychological test in 1920s to 1930s ⚫ The influence of Freud in 1940s ⚫ The contribution of Skinner in 1950s