Stage 1: Curative education 1; practice 1; understanding and responding 1; children and adults in society; development across the lifecourse 1; creative action 1. Stage 2: Curative education 2; practice 2; understanding and responding 2; development across the lifecourse 2; creative action 2. Stage 3: Curative education 3; understanding and using research; practice 3; understanding and responding 3; development across the lifecourse 3; creative action 3. Stage 4: Curative education 4; introduction to action inquiry; inquiry in action; understanding and responding 4; creative action 4.