This paper makes a case for conceptualising transitions from the before school sector to the compulsory years of schooling as continuity practices. It begins by presenting an overview and critique of constructions of transitions to school that contribute to contemporary discourses and agendas (e.g. the conflation of transitions and readiness).…

An analysis of the quantitative processes underlying conservation of quantity is presented. Models of three quantitative operators--subitizing, counting, and estimation--are derived from adult performance in quantification tasks, and some features of the operators are described. The emergence of conservation is described in terms of the…

A curriculum hierarchy evaluation (CHE) model was developed by combining a transfer paradigm with an aptitude-treatment-task interaction (ATTI) paradigm. Positive transfer was predicted between sequentially arranged tasks, and a programed or nonprogramed treatment was predicted to interact with aptitude and with tasks. Eighteen four and five…