NURSING 2NN3 Lecture Notes - Lecture 4: Convenience Sampling, Observational Study
25 Apr 2017
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Eidm module 4: terminology and concepts in eidm. Cohort study: group of people do not have evidence of the outcome of interest, followed forward in time to see if they develop the outcome, no comparison group. Case-control study: 2 groups, participants that have the outcome of interest and participants that do not (control group) Look back in time to see if participants have common risk factors or casual factors that are associated with the outcome. Cross-sectional study: observational study that examines a characteristic and outcome of interest at one point in time, survey study. Random control trials (rct) are the most effective and are the strongest research design to. Randomization answer effectiveness of a treatment or therapy. Sampling: researcher determines population they want to study, sample a portion of that population to represent the whole, sampling of the population is done in 2 way random sampling and convenience sampling.
