Research has suggested that system-wide professional development needs to embrace ongoing and sustainable processes such as critical reflection, being within a community of practice and the co-creation of new practices within and across early childhood systems. However, there is little research on how professional development can be designed in a…

Based on a cultural-historical perspective, where play is conceptualized as the creation of an imaginary situation, the study reported in this paper examines how parent-child playful interactions create shared imaginary situations for mediating scientific learning. The main focus of this paper is to reveal sign-mediated learning process through…