Psychometric properties of the magical ideation scale in high school adolescentsObjective: The validity and reliability studies of the Magical Ideation Scale (MIS) have already been conducted among university students. The purpose of this study was to define the psychometric properties of the MIS among adolescents attending high school. was calculated as 0.91; Incremental Fit Index (IFI) was found as 0.91; and Goodness of Fit Index (GFI) was found as 0.90. Besides, the internal consistency coefficient was found as α=0.80 for female students and α=0.76 for male students. In the discriminant validity study, the level of relation between the irrational beliefs and magical ideation was calculated as r=0.11. Conclusion:The validity and reliability analysis findings obtained from the study revealed that the MIS was a valid and reliable scale in measuring the magical ideation. Based on those findings, it may be stated that this scale would be sufficient in the studies to be conducted on the adolescents.