The phrase "assign credibility" is correct and usable in written English.
It can be used when discussing the act of giving or attributing trustworthiness or reliability to a source, statement, or individual.
Example: "In academic writing, it is essential to assign credibility to your sources to support your arguments effectively."
Alternatives: "attribute credibility" or "grant credibility".
Filipinos are wary of assigning credibility to information presented at Senate hearings, where anything can be entered into the public record without even the modest protections of the Philippines' liberal libel laws.
Constructing a credibility spectrum--by deciding ahead of time what factors influence the credibility of a source in your own eyes--helps you to avoid assigning credibility based on whether you *like* the statement or not (a universal human trait, I'm afraid, formally called "confirmation bias").
Many participants refused to assign any credibility to Clegg, even though what he said reflected many of the views they had expressed themselves.
The results indicate a substantive condition by participant ethnicity interaction, in which African Americans assign greater credibility to high ethnic identity spokespeople, while Caucasian respondents found low ethnic identity spokespersons more credible.
This article focuses on another criterion, offered by the Ninth Circuit Court of Appeals, that instructs judges to assign lower credibility to "litigation science" than to science generated before litigation.
TweetCred is a real time system for assigning a credibility score to a Twitter user's time line [36].
NewsCred, an international startup based out of Geneva and Stockholm, is trying to address this problem by assigning a credibility rating to every big-name publisher, author, and story.
[See the entry on coherentist theories of epistemic justification.] But the approach might also be seen as moderately foundationalist in that it begins with a set of beliefs (in various moral rules) to which it assigns independent credibility though not infallibility (Audi 1996, 2004; Crisp 2000).
Importantly, Longino includes conditions of tempered intellectual authority and uptake of criticism for the participants of epistemic communities (2002), arguing that objectivity can only be successfully pursued in situations where knowers are respected for their epistemic contributions and not ignored or assigned less credibility because of who they are.
