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R. Wee, M. D. Gearinger, J. Y. Kim, N. Brar, S. L. Cremers; The Global Rating Assessment of Strabismus Surgery (GRASS) Questionnaire Is an Appropriate Tool in Evaluating Trainee Performance. Invest. Ophthalmol. Vis. Sci. 2007;48(13):4874.
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to create a tool, with face and content validity, which globally evaluates residents' surgical competence in strabismus surgery.
a one-page evaluation form utilizing a Likert scale of questions related to the resident's performance during strabismus surgery was created and distributed to a panel of 8 strabismus surgeons. The panelists provided feedback through a form evaluating each question on a scale of 1 (not important) though 5 (very important). In addition, they responded to three yes/no questions regarding whether GRASS was self-explanatory, fair, and comprehensive.
7 of 8 experts responded in the allotted time. All of the panelists felt that GRASS was self-explanatory, fair, and comprehensive. The overall average score for the appropriateness of the questions was 4.73 (out of 5). The question that was felt to be least important was "use of non-dominant hand" which received a score of 3.80. All other questions were rated as important with the next lowest score being 4.60. Experts' comments were incorporated to establish validity.
GRASS has face and content validity. It provides attending strabismus surgeons a convenient and comprehensive tool to evaluate a resident's surgical skills, surgical knowledge, and interactions with the operating room staff and patient's family. GRASS is a useful tool in evaluating strabismus surgery and can be used by residency programs to satisfy the surgical competency requirement mandated by the Accreditation Council for Graduate Medical Education (ACGME).
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