Dear all
I was musing on teaching critical appraisal after leading a workshop with
some nurses yesterday, and it struck me that rather than have to use a
computer porgram or go to a statistician to work out a study's power (for
articles where it is not reported), it would probably be possible for the
mathematically literate to create nomogram with logarithmic scales of sample
size on one side, beta or power on the other side and p-value in the centre,
much like the scale for likelihood ratios. That way one wouldn't have to
rely on being in front of a computer, or scientific calculator or a
statistician. Has anybody attempted this or something similar? Or am I (a
member of the mathematically illiterate unless substantially assisted)
musing a bit too creatively here?
regards
Andrew Jull
Clinical Nurse Consultant
Auckland Hospital
NEW ZEALAND
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