Presented in part at the 2011 Annual Meeting of the Research Society on Alcoholism, Atlanta, Georgia, June 25–29.
Validation of the Brief Biphasic Alcohol Effects Scale (B-BAES)
Article first published online: 18 OCT 2012
Copyright © 2012 by the Research Society on Alcoholism
Alcoholism: Clinical and Experimental Research
Volume 37, Issue 3, pages 470–476, March 2013
How to Cite
Rueger, S. Y. and King, A. C. (2013), Validation of the Brief Biphasic Alcohol Effects Scale (B-BAES). Alcoholism: Clinical and Experimental Research, 37: 470–476. doi: 10.1111/j.1530-0277.2012.01941.x
- Issue published online: 28 FEB 2013
- Article first published online: 18 OCT 2012
- Manuscript Accepted: 10 JUL 2012
- Manuscript Received: 9 MAR 2012
- NIH/NIAAA. Grant Number: R01-AA013746
- National Center for Research Resources. Grant Number: UL1RR024999
- Brief Biphasic Alcohol Effects Scale;
- Alcohol Response;
- Alcohol Subjective Effects;
The Biphasic Alcohol Effects Scale (BAES) is a reliable and valid 14-item measure of alcohol's acute stimulant and sedative effects, but its length may preclude use in research paradigms with time constraints on assessment. Here, we report further psychometric support for the 6-item Brief BAES (B-BAES) originally developed by our group in 2009.
Two studies are included: the first study tested the B-BAES in an independent sample of young adult heavy social drinkers administered 0.8 g/kg alcohol in a laboratory challenge study (N = 104) to confirm the reliability and validity of the 6-item B-BAES. The second study compared the predictive validity of the B-BAES versus the BAES in a separate sample of 104 heavy drinkers who took part in a prospective laboratory alcohol challenge and follow-up study of drinking behaviors.
An item analysis demonstrated strong support across several intervals on the breath alcohol curve for the same 6 B-BAES items (energized, excited, up, sedated, slow thoughts, sluggish). Confirmatory factor analysis with the B-BAES demonstrated strong support for the same underlying structure as with the full BAES, and tests of internal consistency reliability were very strong to excellent. B-BAES subscale scores correlated highly with corresponding scores of the BAES and predicted binge-drinking frequency during a 2-year follow-up.
These results provide strong psychometric support to confirm use of the B-BAES in studies assessing alcohol's stimulant and sedative properties. The B-BAES may be a useful new tool to enhance the scope of future research assessing alcohol's biphasic effects, particularly in paradigms when time and concise measurement are priorities.