Kirby NF, Dempster ER. A picture paints a thousand numbers – and tells a story. A postpositivist approach to building substantive grounded theory using decision tree analysis. SAJHE [Internet]. 2016 Feb. 19 [cited 2026 Jun. 13];29(6). Available from: https://scriptura.journals.ac.za/index.php/sajhe/article/view/545