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EBM teaching tip
Using a tape measure for intra-observer variability.
  1. Ian Wacogne, BM, BCh, MRCP, FRCPCH
  1. Birmingham Children’s Hospital, Birmingham, UK

    https://doi.org/10.1136/ebm.10.4.104

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      This helpful exercise shows inter-observer variability and needs only paper tape measures—1 per member of the group. If you are really short of money, a trip to Ikea can yield a couple. In the group, tell everyone: "Find 3 people in the group to measure your head circumference and tell you …

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