Abstract

• This study aims to investigate the psychological well-being of first year students by identity style. A total of 1200 first year students from universities of education, university of medicine, universities of technology, universities of economic, and arts and science universities. The required sample was chosen by stratified sampling method. In the present study, students' psychological well-being was measured with the 84 item version of Ryff's Psychological Well-Being Scale used by Moe in 2012. According to the result, 52% of students fall on medium level of psychological well-being and 48% of students on higher level. Students' identity styles were examined by using Berzonsky's identity style inventory (1992). There are 11 items in informational style, 9 items in normative style and 10 items in diffuse-avoidant style to be rated by five-point likert scale. The results showed that 31% of students have informational style, 29% of undergraduate students have normative style and 39.8% of students have diffuse/avoidance style. The results of correlational study revealed that students with normative style have higher level of psychological well-being and students with diffuse/avoidance style has lower psychological well-being.