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Home / People / Leonard Green

Leonard Green

Leonard Green

Professor of Psychological & Brain Sciences
Professor of Economics
Director of Undergraduate Studies
Degrees: 
Ph.D. State University of New York
BA, City College
E-mail: 
lgreen@wustl.edu
Phone: 
(314) 935-6534
Office: 
Psychology Building 415B
Mailbox: 

Campus Box 1125

Website: 
Lab Website

Research Interests

Professor Green studies choice and decision making in humans and non-human animals.  His research on choice extends to the areas of self-control (e.g., choice between smaller/sooner rewards and larger/later rewards), behavioral economics (the conjoining of experimental psychology and economic theories), and the discounting of delayed and probabilistic outcomes.  The latter research evaluates the mathematical form of the discount function and whether fundamentally similar processes underlie choice behavior involving delayed and probabilistic gains and losses.

Read more about Dr. Green:

Outside Press:

  • Are You a Good Tipper? Here's Why (ABC)
  • Old and Young Make Impulsive Decisions (USA today) 
  • Psychologists show that 'money changes everything' (Innovations Report) 
  • https://wwdwwdpodcast.com/episodes/2018/228/042-impulsivity-and-behavioral-economics-an-interview-with-dr-len-green-why-we-do-what-we-do  (Why We Do What We Do)

WUSTL Press:

  • Holiday giving season complicated by shifting norms on gratuities, psychologist suggests
  • The psychology of learning 
  • Gambling psychology offers insight into self-control, risk-taking, impulsiveness
  • Psychology of tipping Video

Selected Publications

  • Myerson, J., Baumann, A., & Green, L. (2017). Individual differences in delay discounting:  Differences are quantitative with gains, but qualitative with losses. Journal of Behavioral Decision Making, 30, 359-372. 

  • Vanderveldt, A., Oliveira, L., & Green, L. (2016). Delay discounting:  Pigeon, rat, human – Does it matter? Journal of Experimental Psychology: Animal Learning & Cognition, 42, 141-162

  • Vanderveldt, A., Green, L., & Myerson, J. (2015). Discounting of monetary rewards that are both delayed and probabilistic: Delay and probability combine multiplicatively, not additively. Journal of Experimental Psychology: Learning, Memory, and Cognition, 41, 148-162.

  • Green, L., Myerson, J., & Vanderveldt, A. (2014). Delay and probability discounting.  In F. K. McSweeney & E. Murphy (Eds.), The Wiley-Blackwell handbook of operant and classical conditioning (pp. 307-337). Chichester, West Sussex: John Wiley & Sons, Ltd.

  • Green, L., & Myerson, J. (2013). How many impulsivities? A discounting perspective. Journal of the Experimental Analysis of Behavior, 99, 3-13. 

  • Kagel, J. H., Battalio, R. C., & Green, L. (2007).  Economic choice theory:  An experimental analysis of animal behavior.  Cambridge, UK:  Cambridge University Press. (Digitally printed, first paperback version)

Departments

  • Psychology
  • Economics
  • PNP

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  • Psychology of Learning
  • Introduction to Psychology
  • Behavioral Psychology Readings Group
  • Practicum in Applied Behavior Analysis: Autism Spectrum Disorder
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