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Group Intervention Studies in the Cognitive Rehabilitation of Individuals with Traumatic Brain Injury: Challenges Faced by Researchers

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Abstract

There are many factors to consider in designing and interpreting group studies. These include both analytic considerations, such as the selection of valid and reliable outcome measures, and subjective considerations, such as the selection of outcomes that are perceived to be important to participants and researchers. In this paper, we review key issues to consider in the design of group studies in neurorehabilitation, using problem-solving studies in traumatic brain injury as an example.

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Notes

  1. The Academy of Neurologic Communication Disorders and Sciences (ANCDS) established writing committees in 1997 to develop evidence based practice guidelines for various clinical populations. The writing committee on Evidence-based Practice of Cognitive-Communication Disorders after Traumatic Brain Injury was established in 2001. For details about these committees and their work (see Frattalli et al., 2003).

  2. ITT analysis is useful for RCTs in which the treatment arms include an experimental condition and a placebo condition. ITT analysis is inappropriate when a randomized, crossover design is used.

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Correspondence to Mary R. T. Kennedy.

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Kennedy, M.R.T., Turkstra, L. Group Intervention Studies in the Cognitive Rehabilitation of Individuals with Traumatic Brain Injury: Challenges Faced by Researchers. Neuropsychol Rev 16, 151–159 (2006). https://doi.org/10.1007/s11065-006-9012-8

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