The purpose of this research is to study the psychometrical features of the Turkish form of the psychological well-being scale. The sample of the study includes 529 pre-service teachers, 339 (64%) of whom are females and 190 (36%) of whom are males. As a result of the exploratory factor analysis, it was found that the total explained variance was 42% and that the items were grouped under one factor. For criterion validity, psychological well-being scales and a need satisfaction scale were used. The Pearson product moment correlation between psychological well-being scales and a need satisfaction scale was calculated as .56 and .73 (p<.01). The reliability study indicated that the Cronbach alpha coefficient was .80. According to the test retest results, there was a high level of a positive and meaningful relation between the first and second applications of the scale (r= 0.86, p<.01). This study showed that the psychological well-being scale was a valid and reliable instrument to measure psychological well-being.