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Title Real-time, evidence-based medicine instruction: a randomized controlled trial in a neonatal intensive care unit
Author(s) Bradley DR, Rana GK, Martin PW, Schumacher RE
Source J Med Libr Assoc, Vol. 90, No. 2, Pages 194-201
Publication Date Apr. 2002
Abstract PURPOSE: The study assesses potential for improving residents' evidence-based medicine searching skills in MEDLINE through real-time librarian instruction. SUBJECTS: Ten residents on a rotation in a neonatal intensive care unit participated. METHODOLOGY: Residents were randomized into an instruction and a non-instruction group. Residents generated questions from rounds and searched MEDLINE for answers. Data were collected through observation, search strategy analysis, and surveys. Librarians observed searches and collected data on questions, searching skills, search problems, and the test group's instruction topics. Participants performed standardized searches before, after, and six-months after intervention and were scored using a search strategy analysis tool (1 representing highest score and 5 representing lowest score). Residents completed pre- and post-intervention surveys to measure opinions about MEDLINE and search satisfaction. RESULTS: Post-intervention, the test group formulated better questions, used limits more effectively, and reported greater confidence in using MEDLINE. The control group expressed less satisfaction with retrieval and demonstrated more errors when limiting. The test and control groups had the following average search scores respectively: 3.0 and 3.5 (pre-intervention), 3.3 and 3.4 (post-intervention), and 2.0 and 3.8 (six-month post-intervention). CONCLUSION: Data suggest that measurable learning outcomes were achieved. Residents receiving instruction improved and retained searching skills six-months after intervention.


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