Beginning in 10 minutes :) public stream link: https://www.youtube.com/watch?v=bozyc1z25aQ

---------- Forwarded message ---------- From: Dario Taraborelli dtaraborelli@wikimedia.org Date: 18 March 2014 20:42 Subject: [Wmfall] Next research & data showcase: tomorrow at 11.30 To: "wmfall@lists.wikimedia.org Staff" wmfall@lists.wikimedia.org

The next Research & Data showcasehttps://www.mediawiki.org/wiki/Analytics/Research_and_Data/Showcase will be live-streamed tomorrow at 11.30 PT (the streaming link will be posted on the list a few minutes before the showcase starts. Those of you who are in the SF office can join us in Yongle). This month's program is below, we look forward to seeing you.

Dario

*Metrics standardization *(Dario) In this talk I'll present the most recent updates on our work on participation metrics and discuss the goals of the Editor Engagement Vital Signs project.

*Wikipedia's rise and decline *(Aaron) In Halfaker et al. (2013) we present data that show that several changes the Wikipedia community made to manage quality and consistency in the face of a massive growth in participation have ironically crippled the very growth they were designed to manage. Specifically, the restrictiveness of the encyclopedia's primary quality control mechanism and the algorithmic tools used to reject contributions are implicated as key causes of decreased newcomer retention.

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