List of Articles Piaget Open Access Article Abstract Page Full-Text 1 - To Investigate Mathematical Cognitive Abilities (Spatial and Numerous) and Their CorrelationWith Educational Development, Mental Age and Gender غلامرضا خوئینژاد علیرضا رجایی تکتم محبراد Open Access Article Abstract Page Full-Text 2 - A comparative study of the levels of theoretical reason from the point of view of Avicenna and Jean Piaget's theory of cognitive development Goodarz Shateri Afarin Zangeneh Open Access Article Abstract Page Full-Text 3 - Studying the childish vision in poetry of Sohrab Sepehri,based on the theory of cognitive Development of Jean Piaget leila hormozani Masoud Pakdel Open Access Article Abstract Page Full-Text 4 - The Legacy of Postmodernism: The Heightened Power of Lexicon over Syntax بهروز عزبدفتری 10.30495/lct.2015.692310 Open Access Article Abstract Page Full-Text 5 - Components of educational literature of resistance in children's poems by Nizar Qabbani and Abbas Yamini Sharif based on the theory by Jean Piaget aida danaye mohamad shaygan mehr fariborz hoseynjanzade