Assertion: bias | /r/HasProperty | introduced retention
Facets:
Source sentences:
text: From the previous section it should be clear that, even if the categorization of subjects regarding exposure and outcome is perfectly accurate, bias can be introduced differential selection or retention in a study.
text: From the previous section it should be clear that, even if the categorization of subjects regarding exposure and outcome is perfectly accurate, bias can be introduced differential selection or retention in a study.