摘要：Abstract Introduction Time travelling is a cognitive ability to recall the past and predict the future. Propose of this research was to study children's ability to understand transformation over the time. Method In this study attempted to compare children in different age regarding perceived of changes over the time. Therefore, 456 children (274 girls and 182 boys) aged between 3.2 to 12.8 years old participated in the study. Drawing was used to assess children's perception of time. The children describe themselves in the past, present and future. Qualitative research (grounded theory) was performed to analysis of data. Results Findings showed that children gradually become conscious to different aspects of transformation over time (TOT). For example, children before 7 couldn’t found out changing the social role from childhood to adulthood. Conclusion How perception of changes over the time in children is dependent on development of brain especially, pre-frontal and temporal lobes. Core knowledge system and cultural factor were identified related to TOT.
关键词：time travel;children;Transformation over time (TOT)
