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40 Chapter 2 Table 4. (continued) Instrument Study Study population Psychometrics Methodological quality Diagnoses N Age (Y) COSMIN property Results Rating COSMIN boxes* 1 Rating of results* 2 Functional Independence Measure for Children (WeeFIM) (Ziviani et al., 2001) ABI Spina Bifida Chromo- somal and genetic abnormal- ities 41 1.6-9.5 Inter-rater reliability ICC = .81-.95 Poor + Construct validity Correlation between PEDI andWeeFIM r=.53-.96 Poor - (Otten- bacher et al., 2000) 174 0.11-6.3 Responsiveness Of total score RCI=2.82, PCI=1.41, ES=.62, SRM=1.31, p=<.01 Excellent ? Diagnfoses: CP = Cerebral Palsy, ABI = Acquired Brain Injury, ND = Non Disabled, DS = Down Syndrome, SMA = Spinal Muscular Atrophy Results: r = Spearman Rank Score, CI= Confidence Interval, IQR = Inter Quartile Range, FAQ = Functional Assessment Questionnaire, RCI= Reliability Change Index, PCI=Proportional Change Index, ES= Effect Size (d-index), SRM= Standardized Response Means * 1 Rating COSMIN boxes: excellent = all relevant items are scored adequate, good = some things are not reported but one can assume that these issues are adequate, fair = the value of the measurement property have been underestimated or estimated in a moderate sample size or when there were other minor flaws in the design or analysis, poor = the results are not to be trusted because of major flaws in the design or statistical analyses * 2 Rating of results: + = positive rating, - = negative rating, ? = indeterminate rating