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P a g e
General reference to previous research or scholarship: highlighting negative outcomes
Previous studies have failed to
find
show
demonstrate
a (any) benefit in …
a (any) link between …
a (any) treatment effect.
a (any) protective effect of …
a (any) connection between …
a (any) correlation between …
a (any) causal relationship between …
a (any) consistent association between …
a (any) statistically significant difference …
(any) convincing evidence of …
(any) benefits associated with …
(any) significant differences in …
(any) support for the X hypothesis.
(any) significant advantages of using …
(any) significant changes in health outcomes ...
(any) reliable, repeatable therapeutic effects of …
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