Ryan K. May

Development and validation of the Gamblers' Beliefs Questionnaire.

Timothy A. Steenbergh, Andrew W. Meyers, Ryan K. May et al. · Psychology of Addictive Behaviors · 2002 · 206 citations

Behavioral Decision Making, Social Psychology, Beliefs Questionnaire +4

Psychometric Evaluation of the National Opinion Research Center DSM‐IV Screen for Gambling Problems (NODS)

Emerson M. Wickwire, Randy S. Burke, Seth A. Brown et al. · American Journal on Addictions · 2008 · 98 citations

Substance Use, Behavioral Addiction, Psychometrics +20

The Gambling Self-Efficacy Questionnaire: An Initial Psychometric Evaluation

Ryan K. May, James Whelan, Timothy A. Steenbergh et al. · Journal of Gambling Studies · 2003 · 76 citations

Self-efficacy Theory, Behavioral Sciences, Behavioral Decision Making +7

Impact of warning and brief intervention messages on knowledge of gambling risk, irrational beliefs and behaviour

Timothy A. Steenbergh, James P. Whelan, Andrew W. Meyers et al. · International Gambling Studies · 2004 · 76 citations

Behavioral Decision Making, Social Sciences, Psychology +16

Gambling-related Irrational Beliefs in the Maintenance and Modification of Gambling Behaviour

Ryan K. May, James Whelan, Andrew W. Meyers et al. · International Gambling Studies · 2005 · 32 citations

Behavioral Decision Making, Behavioral Addiction, Cognition +16