Background: Physical appearance and image of people have an important role in their psychological health. People want to change their body image in order to achieve their ideal or desired body image, following the feeling of dissatisfaction with the body and the creation of a negative self-image of physical appearance. (Zoghi Paydar, Karmiyeh and Nabizadeh, 2018). Dissatisfaction with body image has consequences such as anxiety, depression, social isolation, mental disorders, weakening of self-concept and self-esteem (Green and Pritchard, 2003). Cognitive bias correction is a method in which biases are moderated through educational conditions designed to manipulate psychological trauma-related processes (McLeod, 2012).
Aim : The aim of this study was to investigate the effect of correcting girls' cognitive bias towards physical appearance on their self-esteem and concern about body image, as well as their desire for cosmetic surgery.
Methodology: The research method in this research is quasi-experimental using pre-test and post-test design with control group. The statistical population of the study is female students of non-profit industrial steel industry. Initially, using purposive sampling method, about 200 female students of the university were selected and asked to complete a body image questionnaire. Then, 45 students whose questionnaire scores were higher were selected and randomly assigned to the experimental (22) and control (23) groups. The research instruments were: Littleton body image questionnaire, Coopersmith self-esteem questionnaire, cosmetic surgery orientation questionnaire, Probot test. First, pre-test was taken from both groups and then for the experimental group, 10 sessions of 30 to 40 minutes (8 sessions to correct cognitive bias and 2 sessions to measure bias and fill out questionnaires) were held individually. During this period, the control group was not under any training. After the training, post-test was taken from both groups and the c