what does the outcome measure in an RCT need to be?
reliable, valid, responsive
4 of 14
'error due to systematic differences in characteristics between those selected into a study and those who are not' best describes
selection bias
5 of 14
'systematic errors in DTA studies that arises when specific groups of patients are inappropriately excluded (difficult to diagnose patients)' best describes
spectrum bias
6 of 14
what are the main qualitative approaches?
grounded theory, ethnography, case study, narrative, phenomenology
7 of 14
how do you calculate relative risk?
absolute risk of exposed / absolute risk unexposed
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how do you interpret a RR> 1 (in a case-control study)?
there is excess risk in those exposed compared to unexposed
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why can't absolute risk be calculated in a case-control study?
there is no incidence rate
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what are the components of a DTA question?
PITR - Participants, Index test, target disorder, reference standard
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what are the markers of quality in a qualitative study?
trustworthiness, credibility, reflexivity
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what are discordant/divergent cases in a qualitative study?
those that differ from the more general pattern of observations within a qualitative data set
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where does qualitative studies lie on the Hierarchy of evidence?
it does not lie in the hierarchy
14 of 14
Other cards in this set
Card 2
Front
what does a high specificity indicate?
Back
a low proportion of false positives
Card 3
Front
what does a high sensitivity indicate?
Back
Card 4
Front
what does the outcome measure in an RCT need to be?
Back
Card 5
Front
'error due to systematic differences in characteristics between those selected into a study and those who are not' best describes
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