He was a Fulbright Scholar at the University of California, Los Angeles, and later obtained a Ph.D. in Psychology from Sheffield University. He has been at Cardiff since 2002, where he is a reader since 2011. His early research founf that humans convert statistical information into causal knowledge in ways that honour the assumption that causal power exist in the world, but are not directly perceivable. Importantly, ghis research showed that human causal learning cannot be reduced to mere association formation. More recently, Marc has begun examining the phenomenon of ’causal binding’, whereby the presence of a causal relation in the environment leads to systematic distortions in people’s perception of space-time.