Questionnaire validation practice: a protocol for a systematic descriptive literature review of health literacy assessments.
Melanie Hawkins, Gerald R Elsworth, Richard H Osborne
BMJ Open | Published : 2019
INTRODUCTION: Contemporary validity testing theory holds that validity lies in the extent to which a proposed interpretation and use of test scores is justified, the evidence for which is dependent on both quantitative and qualitative research methods. Despite this, we hypothesise that development and validation studies for assessments in the field of health primarily report a limited range of statistical properties, and that a systematic theoretical framework for validity testing is rarely applied. Using health literacy assessments as an exemplar, this paper outlines a protocol for a systematic descriptive literature review about types of validity evidence being reported and if the evidence..View full abstract