Social and Behavioral Sciences Commons^™

Measurement Models Matter: How Retrospective Calendar Versus Global Reports Yield Different Estimates Of Treatment Outcome, Margaret L. Paul Bs, Maria E. Meinerding Ms, Jeremiah Weinstock Phd, Meredith K. Ginley, James P. Whelan Phd, Rory A. Pfund

International Conference on Gambling & Risk Taking

Abstract: Retrospective reports are less accurate than objective measures of behavior and must be interpreted with consideration of the amount of distortion and error introduced by this methodology. The Gambling-Timeline Followback (G-TLFB) method is the gold standard retrospective assessment tool that is designed to minimize such error by asking for a specific recall of precise gambling behavior day-by-day using recall aids as compared to a global summation over time (e.g., how many gambling days in last month, how much money gambled in the last month). It remains an empirical question whether this difference in measurement format, G-TLFB versus global reports, …