202 May and June 2023. Volume 12. Num 2 Background and Aims Motor skills are needed for entering elementary school. They can students have beter performance in learning. The present study aims to develop a process-based movement interventon program and evaluate it efcacy on the fundamental motor skills and school readiness of pre-school boys. Methods This is a quasi-experimental study with a pre-test/post-test/follow-up design. The study populaton consists of all preschool boys in Isfahan, Iran in 2019-2020. Of these, 30 children with poor motor skills and primary school readiness were selected using a purposive sampling method and randomly divided into experimental and control group. The experimental group received the process- based movement interventon program at 13 sessions. The instruments were Movement Assessment Batery for Children and the Metropolitan Readiness Test. The collected data were analyzed using repeated measures ANOVA. Results The process-based movement interventon had a signifcant efect on the fundamental motor skills (F=32.94, η 2 = 0.59, P=0001) and school readiness (F= 46.45, η 2 = 0.62, P=0001) of pre-school boys. Conclusion The process-based motor interventon program can improve the fundamental motor skills and primary school readiness of pre-school boys by improving balance, sensory systems, motor coordinaton, and motor programming. Keywords Process-based movement interventon, Fundamental motor skills, School readiness, Pre- school children A B S T R A C T Received: 15 May 2021 Accepted: 07 Jun 2021 Available Online: 21 May 2023 Citaton Rokhfard M, Sajjadian I, Ghamerani A. [Developing a Process-Based Movement Intervention Program and Evaluating Its Effects on the Fundamental Motor Skills and School Readiness of Pre-School Boys (Persian)]. Scientific Journal of Rehabilitation Medicine. 2023; 12(2):202-217. https://dx.doi.org/10.32598/SJRM.12.2.1 https://dx.doi.org/10.32598/SJRM.12.2.1 Use your device to scan and read the article online Research Paper Developing a Process-Based Movement Interventon Program and Evaluatng Its Efects on the Fundamental Motor Skills and School Readiness of Pre-School Boys 1. Department of Educatonal Psychology, Faculty of Educatonal Sciences & Psychology, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran. 2. Department of Clinical Psychology, Faculty of Educatonal Sciences & Psychology, Community Health Research Center, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran. 3. Department of Psychology and Educaton of Children with Special Needs, Faculty of Educatonal Sciences & Psychology, Isfahan University, Isfahan, Iran. Moslem Rokhfard 1 , *Ilnaz Sajjadian 2 , Amir Ghamerani 3 * Corresponding Author: Ilnaz Sajjadian, PhD. Address: Department of Clinical Psychology, Community Health Research Center, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran. Tel: +98 (913) 2107905 E-Mail: i.sajjadian@khuisf.ac.ir