DEVELOPMENT AND PSYCHOMETRIC VALIDATION OF A SELF-REPORT QUESTIONNAIRE MEASURING THE NEGATIVE IMPACT OF SOCIAL MEDIA USE ON SELF-ESTEEM AND IMPOSTER AMONG UZBEK YOUTH. (2026). Educator Insights: Journal of Teaching Theory and Practice, 2(5), 269-283. https://brightmindpublishing.com/index.php/EI/article/view/2665