Methods for conceptualising 'visual ability' as a measurable construct in children with cerebral palsy.
Belinda Deramore Denver, Margareta Adolfsson, Elspeth Froude, Peter Rosenbaum, Christine Imms
BMC Med Res Methodol | Published : 2017
BACKGROUND: Vision influences functioning and disability of children with cerebral palsy, so there is a growing need for psychometrically robust tools to advance assessment of children's vision abilities in clinical practice and research. Vision is a complex construct, and in the absence of clarity about this construct it is challenging to know whether valid, reliable measures exist. This study reports a method for conceptualising 'visual ability' as a measurable construct. METHODS: Using the items from 19 assessment tools previously identified in a systematic review, this study used a two-phase process: first, deductive content analysis linked items to the International Classification of Fu..View full abstract