Farideh Hamidi
Majid Ebrahim Damavandi
Abed Parvizi

Principals are the curriculum leader of schools. They are responsible for designing, implementing, and evaluating changes in the instructional program of schools. An educational leader must stimulate a lively and dynamic approach with teachers by prodding government authorities to provide regular in-service training. To beginning teachers, the school head should be the chief source of inspiration and assistance through his advice, stimulation, instruction, and guidance. For experienced teachers, the principal develops opportunities and channels to enable their participation in the policy making process, the planning of programs, and carrying out a decision jointly agreed upon. This study attempts to study the relationship between principal's personality types and decision making styles in schools. Sample consisted of 325 principals from north, center and south of West Azarbaijan province in Iran that selected by a purposeful stratified sampling. The instruments included Principals’ Demographic Inventory (PDI), General Decision Making Styles (GDMS) and Bortner Personality type A and B Questionnaires. Data analyzed :via partial correlation. Results revealed that

General Decision Making Style (GDMS), Personality Type A, Personality Type B, Rational, Intuitive, Dependent, Spontaneous, Avoidant