Third part, is show factors that influencing the decision of sample of Chiang Mai’s University’s
Business administration students living in private dormitory in location factor, sub factor which most
significant is safety of life. In price factor, sub factor which most significant is rental rooms. In personal
factor, sub factor which most significant is polite and reliability of staff. In services factor, sub factor which
most significant is the cleaning service. In promotion factor, this factors is the factors that have least effect
to decision making of Chiang Mai University’s students of Business administration.