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Developing and testing the CHORDS: Characteristics of Responsible Drinking Survey
Adam E Barry1, Patricia Goodson
1Department of Health and Kinesiology, Purdue University, West Lafayette, Indiana, USA. aebarry@ufl.edu
Purpose:
Report on the development and psychometric testing of a theoretically and evidence-grounded instrument, the Characteristics of Responsible Drinking Survey (CHORDS).
Design:
Instrument subjected to four phases of pretesting (cognitive validity, cognitive and motivational qualities, pilot test, and item evaluation) and a final posttest implementation.
Setting:
Large public university in Texas.
Subjects:
Randomly selected convenience sample (n = 729) of currently enrolled students.
Measures:
This 78-item questionnaire measures individuals' responsible drinking beliefs, motivations, intentions, and behaviors. Cronbach α, split-half reliability, principal components analysis and Spearman ρ were conducted to investigate reliability, stability, and validity.
Results:
Measures in the CHORDS exhibited high internal consistency reliability and strong correlations of split-half reliability. Factor analyses indicated five distinct scales were present, as proposed in the theoretical model. Subscale composite scores also exhibited a correlation to alcohol consumption behaviors, indicating concurrent validity.
Conclusions:
The CHORDS represents the first instrument specifically designed to assess responsible drinking beliefs and behaviors. It was found to elicit valid and reliable data among a college student sample. This instrument holds much promise for practitioners who desire to empirically investigate dimensions of responsible drinking.
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