Validity and reliability in quantitative studies
Reliability Reliability relates to the consistency of a measure. A par-ticipant completing an instrument meant to measure motivation should have approximately the same responses each time the test is completed. Although it is not possible to give an exact calculation of reliability, an estimate of reliability can be achieved through differ-ent ...
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ebn.bmj.comto data synthesis for quantitative studies may include a meta-analysis (statistical analysis of data from multiple studies of similar designs that have addressed the same question), or findings can be reported descriptively.6 Methods applicable for synthesising qualitative studies include meta-ethnography (themes and concepts from
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