POPM 3240 Lecture Notes - Lecture 11: Melanoma, Breakthrough Bleeding, Cervical Cancer

• School: University of Guelph
• Department: Population Medicine
• Course: POPM 3240
• Professor: Andrea Jones- Bitton

Document Summary

Any systematic error in the design, conduct, or analysis of a study that results in a mistaken estimate of an exposure" effect on the risk of disease. Error is any deviation from the true values. Can occur in any point in the research process, no research is truly free of bias. Due to sampling or chance in any direction and is always present. Selecting participants, data collection, confounding, analysis, etc. Researchers need to carefully design the study and analytic techniques. Readers need to make decisions about study after critically appraising it. From the way subjects are selected, agree to participate, or remain in the study. The relationship between exposure (e) and outcome (o) among those in the study differs from that among those who were potentially eligible for the study but did not participate. Carefully examine the study design and sampling method whenever reading or designing an experiment.