What is involved, in practice, coming to a judgement? The Norwegian family therapist, Tom Andersen, characterized himself as 'a wanderer and worrier', he was constantly reflecting on his ways of ‘going on’, on his own practice, to further develop and refine them. Each new way came to him, he...

Action research is often criticized for not being properly based in objective facts or for not formulating testable theories, in short, for not being properly scientific. But with what kind of science should it be contrasted? Hanson (1958) distinguishes between finished, (classical) sciences and...