Construction and Consideration of Validity and Reliability of The Iranian/Islamic Identity Questionnaire and its Relationship With Self-Esteem in Students Aged 18-25

The purpose of this study was to construct and consider the validity and reliability of the Iranian/Islamic Identity Scale and its relationship with the self-esteem of students aged 18-25. The method of this study was mixed research with exploratory sequential design and tool development model. In the qualitative phase, 11 specialists in the field of psychology and Islamic education were selected by the snowball sampling method and in the quantitative phase, 262 students at universities in Tehran province were selected by the available sampling method in the academic 1398-1399. Semi-structured interviews were used to collect data in the qualitative stage and the Iranian/Islamic identity and self-esteem questionnaire was used in the quantitative stage. For data analysis of, qualitative method, Colaizzi’s method was used in the qualitative stage and the confirmatory factor analysis method was used in the quantitative stage with the help of AMOS24 software. First, the Iranian/Islamic identity questionnaire was designed based on the findings of the qualitative section. Confirmatory factor analysis showed that the three factors of Iranian identity, Islamic identity, and Iranian/Islamic identity fit well with the collected data. The reliability of the three factors and the whole questionnaire with Cronbach's alpha method was 91%, 96%, 98%, and 98%, respectively. Also, the correlation of the total score of the Iranian/Islamic identity questionnaire with the self-esteem score was positive and significant. This questionnaire can be used in research activities to measure the Iranian/Islamic identity of students aged 18-25