Summary of Lec 1-4 for midterm

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Department
Human Biology
Course
HMB342H1
Professor
Christine Burton
Semester
Winter

Description
HMB342H1S Summary, Lecture 1-4 for Midterm Lecture 1 5D outcomes: death, disease, discomfort, disability, dissatisfaction Bias: selection, measurement, confounding (related to both cause and effect) Study Validity: internal, external (generalizability) Validity = accuracy, truthfulness. 1) Content: includes all dimensions of construct and nothing more 2) Construct: related coherently to other physically unverifiable measures of same phenomena 3) Criterion: can predict directly observable phenomena (e.g. wound). Reliability = precision, replicability, similarness Variation: InstrumentObserver; Within individualsBetween individuals Regression to Mean: when see abnormal result, repeat the test, new result is often closer to normal. Caused by chancemeasurement error. Abnormal result need re-test before abnormality conclusion. Criteria for Abnormality: statistically unusual, clinically sick, and treatable. Lecture 2 Gold standard = criterion standard 1 www.notesolution.com
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