The ecological context of knowledge: implications for learning science in developing countries

Click to increase image sizeClick to decrease image size Additional informationNotes on contributorsMariana G. A'B. HewsonAuthor: Mariana Hewson is in the School of Education at the University of Wisconsin‐Madison, 1025 W. Johnson St., Madison, WI 53706. She has had many years experience teaching science in southern Africa. This paper is based, in part, on her PHD thesis 'Students' existing knowledge as a factor influencing the acquisition of scientific knowledge', University of the Witwatersrand, 1982