title: Evaluating the reliability and validity of measurement instruments.
authors.forename: Susan S
authors.initials: SS
authors.lastname: Salmond
mesh_terms: D003625:Data Collection / Q000592:standards*; D016002:Discriminant Analysis; D006801:Humans; D009730:Nursing Assessment / Q000592:standards*; D015403:Nursing Evaluation Research; D015588:Observer Variation; D010147:Pain Measurement / Q000592:standards*; D015203:Reproducibility of Results; D012107:Research Design; D012720:Severity of Illness Index; D011795:Surveys and Questionnaires / Q000592:standards*