List of Articles Birth order Open Access Article Abstract Page Full-Text 1 - The Effects of Mothers’ Age, Educational Level, Occupation and Children’s Birth Order on Iranian Preschoolers’ Communicative Performance Arezoo Daneshvar Firroz Sadighi Open Access Article Abstract Page Full-Text 2 - Trends of Parity Progression Ratio in young Iranian women 2006-2016 Mohsen Naderi Beni Mansour Sharifi Jafar Kord zanganeh 10.22034/ssyj.2023.1988360.1287 Open Access Article Abstract Page Full-Text 3 - The Internalizing and Externalizing Behavioral Problems in Children: Birth Order and Age Spacing Seyyed Abbas Satoorian Abbas Ali Haratian Karineh Tahmassian MohammadReza Ahmadi Open Access Article Abstract Page Full-Text 4 - The role of demographic factors (gender, age, birth order and education level) in the criteria for choosing a spouse of students in Shiraz Saeid Mokhtari حمیدرضا ذاکری