The author uses the following types of rhetoric in the sentence:
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Ethos - The mention of a study lends credibility to the argument by referencing authoritative research on performance reviews, which is integral to establishing trustworthiness in the discourse surrounding gender issues in leadership.
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Logos - The statement presents a logical cause-and-effect relationship, showing that specific negative words appear more frequently in reviews of female leaders, which supports the argument about the gender bias present in professional evaluations.
Therefore, the correct answers are ethos and logos.