MODERN MANAGEMENT Two factor theory-1950s.Herzberg Hyiene Motivation company policies,management achievements,appreciation, measures,supervision challenging work,increased interpersonal relationship work responsibilities,and Material,working conditions, opportunities for growth and wages,welfare developmentModern ManageMent Two factor theory— 1950s, Herzberg Hyiene company policies, management measures, supervision interpersonal relationship Material, working conditions, wages, welfare Motivation achievements, appreciation, challenging work, increased work responsibilities, and opportunities for growth and development