Dear Friends,
Does anyone know a good reference (preferably article) about what
questionnaires need validation and which do not?
We did a simple short survey asking physician "do you know what EBM
is?, do you use EBM or not? ... " and we reported everything as
percent of yes and no's. Now the reveiwer has asked me to write the
validity and reliability of the questionnaire which does not seem
necessary in this case?
Your help is highly appreciated,
Narges Khanjani
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