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- Title
DEVELOPMENT OF THE MENTAL CLUTTER SCALE.
- Authors
Leavitt, Frank; Katz, Robert S.
- Abstract
Mental fog is a core symptom of fibromyalgia. Its definition and measurement are central to an understanding of fibromyalgia-related cognitive disability. The Mental Clutter Scale was designed to measure mental fogginess. In an exploratory factor analysis of two different samples (n = 128 and n = 170), cognitive symptoms of fibromyalgia loaded on 2 dimensions: cognition and mental clarity. The mental clarity factor comprised 8 items with factor loadings greater than .60 and was named the Mental Clutter Scale. The factor stability of the new scale was good, internal consistency was .95, and test-retest reliability over a median of 5 days was .92. The 8-item scale is a quick measure of mental fog that provides clinicians with information about cognitive functioning in fibromyalgia.
- Subjects
FIBROMYALGIA; COGNITION disorders; MENTAL efficiency; ATTENTION; ATTENTION control; SHORT-term memory; PSYCHOLOGY; PHYSIOLOGY
- Publication
Psychological Reports, 2011, Vol 109, Issue 2, p445
- ISSN
0033-2941
- Publication type
Case Study
- DOI
10.2466/02.07.14.22.PR0.109.5.445-452