RELIABILITY AND VALIDITY OF THE VISUAL ANALOG MOOD SCALES (VAMS) IN NON-ENGLISH SPEAKING PAIN PATIENTS
Erica Denise House
University of West Florida
Master of Arts (MA), University of West Florida
2010
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Abstract
The purpose of this study was to assess the validity and reliability of the Visual Analog Mood scales (VAMS) when administered to a non-English speaking, headache population. The VAMS and another frequently used mood assessment measure, the Profile of Mood States (POMS), were administered to sixty patients at a headache clinic in Milan, Italy. Both the VAMS and POMS were administered before and after a regularly schedule appointment at the clinic. Multitrait-Multimethod analyses were conducted to assess the validity of each subscale of the VAMS against corresponding scales in the POMS. Analysis concluded that all subscales of the VAMS possessed high test-retest reliability and the "confused," "sad," "angry," "energetic," and "tired" subscales of the VAMS are reliable and valid when administered to a non-English speaking pain population. Given the evidence of strong reliability and validity, the VAMS may be very useful as a clinical diagnostic tool in non-English speaking pain populations.