There are frequently used terms when discussing critical appraisal, in this section we run through them which will help when it comes to later discussions and reviews of specific papers.
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Once you’ve listened help consolidate the topics covered with the questions below.
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Chance can affect how true the outcome is of a study?
Bias means the same as chance?
A confounder affects both the exposure being studied and the outcome of interest?
If a study is internally valid it can be safely applied to your population?
For a study to be externally valid it must appropriate to every reader and applicable to all of their respective patient populations?
Homogeneity relates to things being the same?
If studies compare different cut offs for abnormal values or deliver treatment in significantly different ways whilst trying to assess the same thing they could be referred to as heterogenous?