Exact(1)
To minimize the risk of selection bias, that frequently threats the validity of case-control studies, we selected controls randomly and continuously from the same geographic region as the cases.
Similar(59)
These issues may threat the validity and feasibility of the measures [ 20, 22, 23].
We conclude with a discussion of the threats to the validity of our findings in "Threats to validity" section.
Some threats to the validity of the observations here exist.
Nevertheless, there are threats to the validity of our study.
Section 5 discusses the threats and the validity of the review.
In Section 7, we discuss the threats to the validity of the studies.
The threats to the validity that were identified are described in this section.
This in fact had serious threats to the validity and reliability of the test.
Other threats concern the validity of the models used for our analysis.
We will now discuss potential threats to the validity of these four assumptions.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com