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Traditional Assumptions 
?    people try to satisfy one class of need at work: economic need 
?    no conflict exists between individual and organizational objectives 
?    people act rationally to maximize rewards 
?    we act individually to satisfy individual needs 
Human relations Assumptions 
?    organizations are social systems, not just technical economic systems 
?    we are motivated by many needs 
?    we are not always logical 
?    we are interdependent; our behavior is often shaped by the social context 
?    informal work group is a major factor in determining attitudes and performance of individual workers 
?    management is only one factor affecting behavior; the informal group often has a stronger impact 
?    job roles are more complex than job descriptions would suggest; people act in many ways not covered by job descriptions 
?    there is no automatic correlation between individual and organizational needs 
?    communication channels cover both logical/economic aspects of an organization and feelings of people 
?    teamwork is essential for cooperation and sound technical decisions 
?    leadership should be modified to include concepts of human relations 
?    job satisfaction will lead to higher job productivity 
?    management requires effective social skills, not just technical skills 
SCHOOLS OF HISTORICAL THOUGHT AND THEIR COMPONENTS BY DECADE
Org. theory prior to 1900 ...