BioMed Research International · 2020 · 13 citations · 29 references
The SC-LEFS has high internal consistency, good test-retest reliability and content validity, convergent construct validity, and a one-factor structure. Thus, it could be regarded as a reliable and valid tool to assess activity limitations in Chinese patients with lower extremity musculoskeletal disorders.
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Determination and Quantification Of Content Validity
Mary R. Lynn · Nursing Research · 1986 · 6.1K citations
Lidwine B. Mokkink, Caroline B. Terwee, Donald L. Patrick et al. · Journal of Clinical Epidemiology · 2010 · 4.2K citations · Full text
Measurement Properties, Global Health, International Consensus +9
COSMIN guideline for systematic reviews of patient-reported outcome measures
C.A.C. Prinsen, Lidwine B. Mokkink, L.M. Bouter et al. · Quality of Life Research · 2018 · 3K citations · Full text