15 Bias Facts

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Communication

A woman shares an idea in a meeting; it gets ignored. Minutes later, a man repeats the same idea and is praised.

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Communication

Hepeating (Idea Appropriation)

Women's ideas are acknowledged 50% less often in mixed-gender groups.

Research Source

Karpowitz & Mendelberg, American Political Science Review, 2014

Psychology

A woman with a neutral face is described as "upset," while a man with the same expression is described as "focused."

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Psychology

Emotion Attribution Bias

People systematically perceive women's neutral faces as more negative.

Research Source

Hess et al., 2010

STEM

A woman engineer enters a server room and someone assumes she's "here to take notes."

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STEM

Competency Stereotyping in STEM

Women in STEM are assumed less competent even with identical credentials.

Research Source

Moss-Racusin et al., PNAS, 2012

Workplace

A pregnant employee is asked whether she still plans to "work full-time."

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Workplace

Motherhood Penalty

Mothers are rated 79% less committed and offered lower salaries than non-mothers.

Research Source

Correll et al., American Journal of Sociology, 2007

Leadership

A woman confidently stating her opinion is labeled "aggressive," while a man is praised as "strong."

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Leadership

Assertiveness Penalty

Women are penalized for behaviors that are rewarded in men.

Research Source

Bowles, Babcock & Lai, 2007

Workplace

A team success led by a woman is credited to the male supervisor.

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Workplace

Attribution Bias

Men's success is attributed to ability; women's to luck or external factors.

Research Source

Heilman & Haynes, 2005

Education

Students call a male TA "professor" and a female professor "Miss."

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Education

Authority Misidentification

Female instructors are misidentified twice as often as male instructors.

Research Source

MacNell et al., Innovative Higher Education, 2015

Communication

During meetings, men interrupt women significantly more than they interrupt other men.

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Communication

Interruption Bias

Women are interrupted 2–3× more often.

Research Source

Hancock & Rubin, Journal of Language and Social Psychology, 2015

Psychology

A woman pointing out a real issue is told "You're overreacting."

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Psychology

Emotional Dismissal

Women's emotional expressions are more likely to be dismissed as irrational.

Research Source

Brescoll, Yale University, 2016

Workplace

Two identical résumés — "John" gets more callbacks than "Jennifer."

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Workplace

Resume Name Bias

Gender bias impacts hiring even when credentials are identical.

Research Source

Moss-Racusin et al., 2012

STEM

At a tech conference, a woman is asked whether she works in HR.

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STEM

Occupational Stereotyping

Women in technical roles are assumed less technical regardless of actual role.

Research Source

Cheryan et al., Psychological Bulletin, 2017

Education

Identical online course content receives lower ratings when attributed to a female instructor.

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Education

Teaching Evaluation Bias

Female instructors receive systematically lower student evaluations.

Research Source

MacNell et al., 2015

Workplace

A woman is automatically tasked with organizing events, note-taking, or "team morale tasks."

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Workplace

Office Housework Bias

Women get more non-promotable tasks, even when men volunteer less.

Research Source

Babcock et al., 2018

Communication

A woman gives a clear technical explanation; a man repeats the same explanation more slowly.

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Communication

Expertise Re-Explanation

Women are more likely to be explained to about their own expertise ("mansplaining").

Research Source

Solnit, 2014 (concept widely studied in linguistics & social psychology)

Workplace

Women receive vague feedback ("be more collaborative"); men receive concrete skills-based feedback.

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Workplace

Performance Review Bias

75% of women report vague feedback; men receive actionable comments.

Research Source

Stanford Clayman Institute, 2014