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== Statistics ==
[[File:Top StackOverflow Tags.png|thumb|Top Stack Overflow tags]]
A 2013 study has found that 75% of users only ask one question, 65% only answer one question, and only 8% of users answer more than 5 questions.<ref>{{cite web|last=Wang|first=Shaowei|title=An Empirical Study on Developer Interactions in StackOverflow|url=http://www.mysmu.edu/faculty/lxjiang/papers/sac13stackoverflow.pdf|publisher=Singapore Management University|author2=David Lo|author3=Lingxiao Jiang|archive-url=https://web.archive.org/web/20150202001818/http://www.mysmu.edu/faculty/lxjiang/papers/sac13stackoverflow.pdf|archive-date=2 February 2015|date=18–22 March 2013|access-date=25 February 2014|url-status=live}}</ref> To empower a wider group of users to ask questions and then answer, Stack Overflow created a mentorship program resulting in users having a 50% increase in score on average.<ref>{{Cite book |last1=Ford |first1=Denae |last2=Lustig |first2=Kristina |last3=Banks |first3=Jeremy |last4=Parnin |first4=Chris |title=Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems |chapter="We Don't do That Here" |date=2018 |series=CHI '18 |___location=New York, NY, USA |publisher=ACM |pages=608:1–608:12 |doi=10.1145/3173574.3174182 |isbn=9781450356206 |s2cid=4758001 |doi-access=free}}</ref> As of 2011, 92% of the questions were answered, in a median time of 11 minutes.<ref>{{cite book|last=Mamykina|first=Lena|author2=Bella Manoim|author3=Manas Mittal|author4=George Hripcsak|author5=Björn Hartmann|title=Proceedings of the SIGCHI Conference on Human Factors in Computing Systems |chapter=Design lessons from the fastest q&a site in the west |date=2011
{{As of|2012|8}}, 443,000 of the 1.3 million registered users had answered at least one question, and of those, approximately 6,000 (0.46% of the total user count) had earned a reputation score greater than 5000.<ref name="Bosu et al.">{{cite web|last=Bosu|first=Amiangshu|title=Building Reputation in StackOverflow: An Empirical Investigation|url=http://amiangshu.com/papers/msr-challenge-preprint-bosu.pdf|publisher=Department of Computer Science, The University of Alabama|author2=Christopher S. Corley|author3=Dustin Heaton|author4=Debarshi Chatterji|author5=Jeffrey C. Carver|author6=Nicholas A. Kraft|___location=Tuscaloosa, AL 35487-0290, USA|year=2013|access-date=11 February 2015|archive-date=11 February 2015|archive-url=https://web.archive.org/web/20150211235444/http://amiangshu.com/papers/msr-challenge-preprint-bosu.pdf|url-status=live}}</ref> Reputation can be gained fastest by answering questions related to tags with lower expertise density, doing so promptly (in particular being the first one to answer a question), being active during off-peak hours, and contributing to diverse areas.<ref name="Bosu et al."/>
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