Fig. 1From: Nutrition and health as virtual class at Open University (Portugal): pedagogical strategies for higher educationDidactic transposition model, centered on e-learning teaching. Legend: PCK (pedagogical and content knowledge); TCK (technological and content knowledge); TPK (technological and pedagogical knowledge); DCK (didactic and content knowledge); DPK (didactic and pedagogical knowledge); DTK (didactic and technological knowledge). (Amador et al., 2016)Back to article page