Assertion: trial's design | /r/HasSubevent | unreliable results
Facets:
value: by creating a systematic bias
type: MANNER
Source sentences:
text: Reviewers examine the study results for potential problems with design that could lead to unreliable results (for example by creating a systematic bias), evaluate the study in the context of related studies and other evidence, and evaluate whether the study can be reasonably considered to have proven its conclusions.