Before revision: It is based on the epistemological foundations of critical realism, though one of its originators , Ray Pawson, has said that, while "initially impressed" by how the metaphysical approach explains generative causation in experimental science, he criticised its "philosophical grandstanding" and "explain-all Marxism".Pawson, R. (2016).
After revision: It is based on the epistemological foundations of critical realism, though one of the originators of realist evaluation , Ray Pawson, who was "initially impressed" by how critical realism explains generative causation in experimental science, later criticised its "philosophical grandstanding" and "explain-all Marxism".Pawson, R. (2016).