David Trafimow is a professor in the psychology department at New Mexico State University who has published widely on the determinants of behaviors such as attitudes, subjective norms, affect, cognition, beliefs, evaluations of beliefs, and others. His goal is to understand the causes of human behaviors. He has also published widely in the areas of attribution and self-concepts. Finally, he also has an interest in statistics. He demonstrated the fallacy of the standard null hypothesis significance testing procedure in an article in Psychological Review (2003) and proposed an alternative procedure in the same journal (2005).