<p><pre><code>           Open     Closed   Merged     Merge Rate  95% Confidence Interval
    Women  8,216    21,890   111,011    78.6%       [78.45%, 78.87%]
    Men    150,248  591,785  2,181,517  74.6%       [74.56%, 74.67%]
</code></pre>
<i>&gt; The hypothesis is not only false, but it is in the opposite direction than expected; women tend to have their pull requests accepted at a higher rate than men! This difference is statistically significant (p &lt; .001).</i><p>Many hypothesis are discussed in an attempt to explain this and the paper is well worth the read. Thanks to a documented GitHub API this stuff gets quite scientifically correct - everything is backed up with real-world data.<p>More quotes:<p>&gt; To summarize this paper’s observations:<p>&gt; 1. Women are more likely to have pull requests accepted than men.<p>&gt; 2. Women continue to have high acceptance rates as they gain experience.<p>&gt; 3. Women’s pull requests are less likely to serve an immediate project need.<p>&gt; 4. Women’s changes are larger.<p>&gt; 5. Women’s acceptance rates are higher across programming languages.<p>&gt; 6. Women have lower acceptance rates as outsiders when they are identifiable as women.