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HPHY 212 Week 3 Lecture Notes

by: Scott Morrison

HPHY 212 Week 3 Lecture Notes HPHY 212

Marketplace > University of Oregon > Human Development > HPHY 212 > HPHY 212 Week 3 Lecture Notes
Scott Morrison
GPA 3.75
Evidence, Inference and Biostatistics
Dr. Andrew Karduna

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About this Document

Week 3 lecture notes. Includes definitions of levels of evidence and some info about open access publishing.
Evidence, Inference and Biostatistics
Dr. Andrew Karduna
Class Notes
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This 2 page Class Notes was uploaded by Scott Morrison on Wednesday April 15, 2015. The Class Notes belongs to HPHY 212 at University of Oregon taught by Dr. Andrew Karduna in Spring2015. Since its upload, it has received 114 views. For similar materials see Evidence, Inference and Biostatistics in Human Development at University of Oregon.


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Date Created: 04/15/15
HPHY 212 Lecture Notes Week 3 Open Access Journz Free to read Free to reuse in other works Publishing in open access is still not free but it should not be as restricted as it currently is with private journals Predatory Publishers kind of like phishing journals will reach out to researchers tell researchers that they will pay for the rights to their articles but never pay the researchers scammers I Levelsof Evidence w ck M l J rS mrwu 5 G k mm MW K 6 x i C W S l Defining the Levels of Evidence Meta Analysis Taking a huge amount of hard data from various other studies compiling all the numbers together and making a new statistical analysis and a conclusion from that data A metaanalysis is a result of a systematic review Systematic Review A systematic process of taking a research question developing a systematic search process with explicit inclusionexclusion criteria including which databases to use levels of evidence of articles used etc to find articles relating to the question and making an analysis of those articles Review A process of taking a research question finding articles relating to that question and making an analysis and a conclusion from those articles Randomized Controlled Trials Experiments that involve two randomly assigned groups one control and one experimental to examine the outcome of a procedure Prospective Cohort Study Prospective involves data that has yet to be collected Cohorts are people who all have a similar outcome cancer A prospective cohort study examines people who all have an outcome The study has followups with these people over time in order to collect data Retrospective Cohort Study Retrospective involves events that have already taken place like a patient s past medical history Cohort refers to similar individuals individuals who all have the same outcome cancer A retrospective cohort study looks at similar people who all have outcomes that have already happened to try to find differences in the cohorts in order to determine the cause of the outcome CaseControl Study Two preexisting groups with different outcomes eg cancer and cancerfree The two groups are compared to find the cause of the outcome Case Report One individual case No experiment simply the observations of one case Expert Opinion The opinion of an expert No experiments no data


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