List of Articles middle school students Open Access Article Abstract Page Full-Text 1 - The Mediating Role of Study Skills in the Effect of Academic Self-Efficacy,Epistemological Beliefs and Academic Anxiety on cademic Performance of Middle School Students Tohid Ashrafzade Ali Issazadegan Farzane Michaeeli Manee 10.30486/jsrp.2018.545642 Open Access Article Abstract Page Full-Text 2 - The Effect of Cognitive Avoidance and Fear of Failures on Academic Procrastination: The Mediating Role of the Difficulty of Emotion Regulation in Second Middle School Students mohammad narimani mohammad herangza 10.30486/jsrp.2020.1869245.1848 Open Access Article Abstract Page Full-Text 3 - Psychometric Properties of the Persian Version of the Social-Emotional Competence Questionnaire and its Relationship with Academic Buoyancy in Iranian Middle School Students kamyar azemi Manijeh Shehni Yailagh Mehrdad Khoshnamvand 10.30495/jinev.2021.1908790.2272 Open Access Article Abstract Page Full-Text 4 - Development of piagetian classification operations in middle school students Parirokh Dadsetan Jamileh Kalantari Khandani