title: Reading research critically. I. An introduction to appraisal: designs and objectives.
abstract: This is the first of two articles providing an introduction to appraising published research critically. In this paper three styles of research are presented and the basic types of research objectives and designs are briefly described.
authors.forename: M
authors.initials: M
authors.lastname: Avis
mesh_terms: D006801:Humans; D009937:Organizational Objectives; D011932:Reading; D015203:Reproducibility of Results; D012106:Research / Q000458:organization & administration* / Q000592:standards*; D012107:Research Design / Q000592:standards*