Mohammad Soukhtanlou - Department of Psychology, Faculty of Psychology and Educational Science, University of Tehran, Tehran, Iran
Reza Pourhosein - Department of Psychology, Faculty of Psychology and Educational Science, University of Tehran, Tehran, Iran;
Ali Purabbas - Faculty of Education and Psychology, Kharazmi University, Tehran, Iran
Sahra Naseri - Kish International Campus, University of Tehran, Kish, Iran
Maryam Yousefi - Department of Psychology, Faculty of Humanities, khayyam University, Mashhad,Iran

This study aimed to assess the efficiency of a brief online, self-guided cognitive behavioral therapy for general and health anxiety of high school senior students. ۲۸۶ students (aged ۱۸-۱۹) in eight high schools of Mashhad were selected randomly and assessed with the short form of Health Anxiety Inventory and Beck Anxiety Inventory were selected. Participants in the intervention group (n = ۱۴۳) received a ۴-week iCBT worksheets, while the control group (n= ۱۴۳) did not receive any interventions. After post-assessment, the total score of SHAI is decreased by ۶.۶(۲۶%); for general anxiety, which was assessed with BAI, ANCOVA analysis indicated f (۷۷), p <۰.۰۰۱, partial η۲ = .۲۳. in the health anxiety, analysis of the values in the total score indicated a significant difference between two groups f (۱۰.۷۶), p <۰.۰۰۱, partial η۲ = .۶۱. online self-guided CBT could be efficient for students to reduce their general and health anxiety during the COVID-۱۹ pandemic.

iCBT, health anxiety, anxiety, COVID-۱۹, student, SHAI