Assertion: bias | /r/HasProperty | introduced
Facets:
value: during the searching
type: TEMPORAL
Source sentences:
text: It is important for investigators to be mindful of potential biases in order to reduce their likelihood when they are designing a study, because once bias has been introduced, it cannot be removed.
text: Another way that this bias can be introduced is through the wording of questions in a survey or questionnaire.
text: Likewise, we recognize that bias can also be introduced during the searching stage,12 or in how reviewers handle assessment of reporting biases,13 and guidance on these methods are provided elsewhere.11,12