As Turnbull1 concludes in her elegant and provocative qualitative analysis of early intervention studies for children with or at risk of cerebral palsy, it is "quite possible that failure to demonstrate the efficacy of early intervention is due to inadequate methods of assessment." She goes on to suggest that some of the new technological devices that are available now in sophisticated movement analysis laboratories may provide better tools for the assessment of therapy efficacy. As an applied clinical researcher and a self-described "techno-peasant," I believe that we have adequate and appropriate tools available to us in our daily treatment settings. From my perspective as a practicing physical therapist, the problem has not been one of inadequate methods of assessment but rather of our failure to provide a match between what we are trying to change in children with cerebral palsy and what strategies we are
HARRIS SR. Evaluating the Effects of Early Intervention: A Mismatch Between Process and Product? Am J Dis Child. 1993;147(1):12–13. doi:10.1001/archpedi.1993.02160250014002
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