Purpose: The present study was done to introduce an efficient tool in the field of moral behavior. Material & Method: method of the study was correlational, its approach was test developing and its population was students of Islamic Azad University- Astara and Karaj branches. The study was conducted in three stages according to topic and was sampled in three steps. First, 328 students of Astara university were selected by the multistage sampling, in the second step 42 students of that university were selected by the available method and in the third step 277 students of Karaj university were selected by the multistage sampling. Findings: Data were analyzed by the principal component analysis, Pearson correlational coefficient and confirmatory factor analysis after collecting data by the questionnaire. Three factors structures of the moral behavior styles were extracted using principal component analysis in the first step of the research and named as people-oriented, task-oriented and self-centered. Then, using the Pearson correlational coefficient revealed that scores of the extracted components have acceptable test-retest reliability. In addition to concurrent validity, using confirmatory factor analyzing showed that the three factors structure of the moral behavior styles has acceptable fit whit the collected data, in the third step. Discussion: Totally, in the base of results concluded that three components moral behavior styles inventory has acceptable psychometric properties.
