Emotional assortativity: large positive Z-scores indicate homophily in the “reply” network, according to emotions in the messages written by each editor.

<p>All scores are statistically significant (.</p

Assortativity in the reply network according to the expression of anger.

<p>The color of each node depends on the proportion of words expressing anger in the comments written by the corresponding editor, from blue (low) to red (high). Two editors are connected if they exchanged at least 10 replies in article talk pages. Node size is proportional to the number of connections.</p

Description of LIWC measures (as per http://www.liwc.net).

<p>Description of LIWC measures (as per <a href="http://www.liwc.net" target="_blank">http://www.liwc.net</a>).</p

Editors with at least 100 comments by status and gender.

<p>Editors with at least 100 comments by status and gender.</p

Emotions and Status: Administrators promote a generally neutral tone on article talk pages.

<p>Regular editors express more negative emotion, and are more emotional.</p><p>Numbers under the editor class names correspond to the average values over all editors in a given class (sample size 12 231: 8 005 regular editors, 4 226 administrators). When the difference is statistically significant (p-value in bold) the larger absolute value is underlined.</p

Emotions, Gender and Status: Wikipedia female administrators express more positive emotion than male administrators in article talk pages, but are similar in the expression of negative emotion.

<p>Numbers under the editor class names correspond to the average values over all editors in a given class (sample size 1 623 administrators: 1 526 men, 97 women). When the difference is statistically significant (p-value in bold) the larger absolute value is underlined. Cases where the averages are not informative are marked with an asterisk * and include the mean ranks Mann-Whitney U-test next to the averages in parentheses.</p

Dialogue and Status: Administrators are more impersonal in article talk pages. Regular editors are more concerned with others.

<p>Numbers under the editor class names correspond to the average values over all editors in a given class (sample size 12 231: 8 005 regular editors, 4 226 administrators). When the difference is statistically significant (p-value in bold) the larger absolute value is underlined.</p

Dialogue, Status and Gender: Male admins are the least relationship-oriented, female regular editors are the most relationship-focused.

<p>Numbers under the editor class names correspond to the average values over all editors in a given class (sample size 2 613 men: 1 087 regular editors and 1 526 administrators; and 165 women: 68 regular editors and 97 administrators). When the difference is statistically significant (p-value in bold) the larger absolute value is underlined.</p

Dataset characteristics.

<p>Dataset characteristics.</p

Language assortativity: large positive Z-scores indicate homophily in the “reply” network, according to the communication style of the messages written by each editor.

<p>All scores are statistically significant (.</p