Trait theories: great man theory
Trait theories: trait approach
Behavioral theories (OHIO STATE)
Criticism
- inconsistent (validity questioned)
- error and bias for measurements
- responses influenced by stereotypes
- sexist
Behavioral studies: Michigan studies
Power approach to leadership
Methods to increase power:
Contingency approach (Fiedlers 1967)
Leaders =
- motivated around task or people
- favorableness of the situation: quality relationship, formal authority, clarity of performance
Limitation: change the leader based on situation
Contingency approach: leadership grid 1964
Contingency approach: path goal 1971 (house)
Modern theories: leader member exchange (LMX)
Modern theories: transformational leadership theory (Bass 1985)
Modern theories: transformational leadership theory (Bass 1985) - transactional leadership
Modern theories: transformational leadership theory (Bass 1985) - transformational leadership
Negative leadership: abusive supervision
Negative leadership: supervisory injustice
Negative leadership: unethical