Brian Douglas HaigBrian Haig is a Professor in the Department of Psychology at the University of Canterbury, and a Visiting Professor in the Department of Education at the University of Bath. He is a theoretical psychologist who has published numerous articles in psycology, education, and philosophy journals on the conceptual foundations of quantitative and qualitative research methods, and the nature of psychological science more generally. He recently published a book entitled Investigating the Psychological World (MIT Press, 2014). He is a Fellow of the Association for Psychological Science and the New Zealand Psychological Society.