This is an audit of the dimensionality of FIM referring to a Ravaud et al. 1 study in which was indicated that the use of FIM scores is not justified because the assumption of unidimensionality is not given. Performing a factor analysis with our FIM assessment data we conclude that although the two-dimension solution holds for many data sets, other possibilities should be considered as changes of dimensionality are also empirical results.A search for valid instruments based on phenomenological, ecological and contextual conceptualization of independence is encouraged.
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