The study of John Dewey's writings on scientific method and the logic of inquiry
Paul Feyerabend's critical and positive work on method and models
The history and philosophy of psychology and cognitive science, both the early history (1880-1940), and in recent debates in cognitive science related to the emergence of theories of cognition called social, distributed, extended, etc.
The nature of evidence, where I set out a model of evidence that is functionalist, complex, dynamical, and contextual
The science and democracy relevant both to debates about the democratization of science and to initiatives for evidence-based public policy