{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T03:16:16Z","timestamp":1783998976110,"version":"3.55.0"},"publisher-location":"New York, NY, USA","reference-count":44,"publisher":"ACM","license":[{"start":{"date-parts":[[2017,8,23]],"date-time":"2017-08-23T00:00:00Z","timestamp":1503446400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,8,23]]},"DOI":"10.1145\/3125433.3125446","type":"proceedings-article","created":{"date-parts":[[2017,8,24]],"date-time":"2017-08-24T11:58:11Z","timestamp":1503575891000},"page":"1-10","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":21,"title":["On the Relationship between Newcomer Motivations and Contribution Barriers in Open Source Projects"],"prefix":"10.1145","author":[{"given":"Christoph","family":"Hannebauer","sequence":"first","affiliation":[{"name":"paluno - The Ruhr Institute for Software Technology, University of Duisburg-Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Volker","family":"Gruhn","sequence":"additional","affiliation":[{"name":"paluno - The Ruhr Institute for Software Technology, University of Duisburg-Essen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2017,8,23]]},"reference":[{"key":"e_1_3_2_1_1_1","volume-title":"Understanding Developers' Motives in Open Source Projects: A Multi-Theoretical Framework. Communications of the AIS 27 (Jan","author":"Benbya Hind","year":"2010","unstructured":"Hind Benbya and Nassim Belbaly . 2010. Understanding Developers' Motives in Open Source Projects: A Multi-Theoretical Framework. Communications of the AIS 27 (Jan . 2010 ), 589--610. Hind Benbya and Nassim Belbaly. 2010. Understanding Developers' Motives in Open Source Projects: A Multi-Theoretical Framework. Communications of the AIS 27 (Jan. 2010), 589--610."},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/MSR.2007.23"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-0-387-72486-7_3"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.17705\/1jais.00244"},{"key":"e_1_3_2_1_5_1","volume-title":"FLOSS-US -- The Free\/Libre & Open Source Software Survey for","author":"David Paul A.","year":"2003","unstructured":"Paul A. David , Andrew H. Waterman , and Seema Arora . 2003. FLOSS-US -- The Free\/Libre & Open Source Software Survey for 2003 . (Sept. 2003). http:\/\/www-siepr.stanford.edu\/programs\/OpenSoftware_David\/FLOSS-us-Report.pdf {accessed 2017-03-27}. Paul A. David, Andrew H. Waterman, and Seema Arora. 2003. FLOSS-US -- The Free\/Libre & Open Source Software Survey for 2003. (Sept. 2003). http:\/\/www-siepr.stanford.edu\/programs\/OpenSoftware_David\/FLOSS-us-Report.pdf {accessed 2017-03-27}."},{"key":"e_1_3_2_1_6_1","volume-title":"The GNOME Desktop project. email to the GTK mailing list. (Aug","author":"de Icaza Miguel","year":"1997","unstructured":"Miguel de Icaza . 1997. The GNOME Desktop project. email to the GTK mailing list. (Aug . 1997 ). https:\/\/mail.gnome.org\/archives\/gtk-list\/1997-August\/msg00123.html {accessed 2017-03-23}. Miguel de Icaza. 1997. The GNOME Desktop project. email to the GTK mailing list. (Aug. 1997). https:\/\/mail.gnome.org\/archives\/gtk-list\/1997-August\/msg00123.html {accessed 2017-03-23}."},{"key":"e_1_3_2_1_7_1","first-page":"11","article-title":"Five-Point Likert Items: t test versus Mann-Whitney-Wilcoxon","volume":"15","author":"de Winter Joost C. F.","year":"2010","unstructured":"Joost C. F. de Winter and Dimitria Dodou . 2010 . Five-Point Likert Items: t test versus Mann-Whitney-Wilcoxon . Practical Assessment, Research & Evaluation 15 , 11 (Oct. 2010), 1--16. Joost C. F. de Winter and Dimitria Dodou. 2010. Five-Point Likert Items: t test versus Mann-Whitney-Wilcoxon. Practical Assessment, Research & Evaluation 15, 11 (Oct. 2010), 1--16.","journal-title":"Practical Assessment, Research & Evaluation"},{"key":"e_1_3_2_1_8_1","volume-title":"Mail and Internet Surveys: The Tailored Design Method","author":"Dillman Don A.","unstructured":"Don A. Dillman . 1999. Mail and Internet Surveys: The Tailored Design Method . Wiley . Don A. Dillman. 1999. Mail and Internet Surveys: The Tailored Design Method. Wiley."},{"key":"e_1_3_2_1_9_1","volume-title":"A Theory of Cognitive Dissonance","author":"Festinger Leon","unstructured":"Leon Festinger . 1957. A Theory of Cognitive Dissonance . Stanford University Press . Leon Festinger. 1957. A Theory of Cognitive Dissonance. Stanford University Press."},{"key":"e_1_3_2_1_10_1","unstructured":"GNOME Wiki. 2015. Community. (Dec. 2015). https:\/\/wiki.gnome.org\/Community {accessed 2017-03-23}.  GNOME Wiki. 2015. Community. (Dec. 2015). https:\/\/wiki.gnome.org\/Community {accessed 2017-03-23}."},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/2568225.2568260"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/2593728.2593732"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/2957792.2957793"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.5555\/820759.821962"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/1138506.1138513"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0048-7333(03)00047-7"},{"key":"e_1_3_2_1_17_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICSE.2007.74"},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1145\/2025113.2025127"},{"key":"e_1_3_2_1_19_1","volume-title":"Perspectives on Free and Open Source Software","author":"Lakhani Karim","unstructured":"Karim Lakhani and Robert Wolf . 2005. Perspectives on Free and Open Source Software . MIT Press, Cambridge , Chapter Why Hackers Do What They Do: Understanding Motivation and Effort in Free\/Open Source Software Projects., 1--27. Karim Lakhani and Robert Wolf. 2005. Perspectives on Free and Open Source Software. MIT Press, Cambridge, Chapter Why Hackers Do What They Do: Understanding Motivation and Effort in Free\/Open Source Software Projects., 1--27."},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICSE.2017.25"},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1506047112"},{"key":"e_1_3_2_1_22_1","unstructured":"Mozilla Developer Network. 2016. Build Instructions. (June 2016). https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Developer_guide\/Build_Instructions {accessed 2017-03-23}.  Mozilla Developer Network. 2016. Build Instructions. (June 2016). https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Developer_guide\/Build_Instructions {accessed 2017-03-23}."},{"key":"e_1_3_2_1_23_1","volume-title":"How to Submit a Patch (Preparation). (Jan","author":"Network Mozilla Developer","year":"2017","unstructured":"Mozilla Developer Network . 2017. How to Submit a Patch (Preparation). (Jan . 2017 ). https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Developer_guide\/How_to_Submit_a_Patch#Preparation {accessed 2017-03-23}. Mozilla Developer Network. 2017. How to Submit a Patch (Preparation). (Jan. 2017). https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Developer_guide\/How_to_Submit_a_Patch#Preparation {accessed 2017-03-23}."},{"key":"e_1_3_2_1_24_1","unstructured":"Mozilla Foundation. 2001. Bugzilla@Mozilla. (Aug. 2001). https:\/\/bugzilla.mozilla.org {accessed 2017-03-23}.  Mozilla Foundation. 2001. Bugzilla@Mozilla. (Aug. 2001). https:\/\/bugzilla.mozilla.org {accessed 2017-03-23}."},{"key":"e_1_3_2_1_25_1","unstructured":"Mozilla Wiki. 2015. Modules. (May 2015). https:\/\/wiki.mozilla.org\/Modules {accessed 2017-03-23}.  Mozilla Wiki. 2015. Modules. (May 2015). https:\/\/wiki.mozilla.org\/Modules {accessed 2017-03-23}."},{"key":"e_1_3_2_1_26_1","unstructured":"Mozilla Wiki. 2017. SummerOfCode. (March 2017). https:\/\/wiki.mozilla.org\/SummerOfCode {accessed 2017-03-23}.  Mozilla Wiki. 2017. SummerOfCode. (March 2017). https:\/\/wiki.mozilla.org\/SummerOfCode {accessed 2017-03-23}."},{"key":"e_1_3_2_1_27_1","volume-title":"Netscape Announces mozilla.org, a Dedicated Team and Web Site Supporting Development of Free Client Source Code. (Feb","author":"Netscape Communications Corporation","year":"1998","unstructured":"Netscape Communications Corporation . 1998. Netscape Announces mozilla.org, a Dedicated Team and Web Site Supporting Development of Free Client Source Code. (Feb . 1998 ). http:\/\/wp.netscape.com\/newsref\/pr\/newsrelease577.html {original, broken}, https:\/\/web.archive.org\/web\/20021004080737\/wp.netscape.com\/newsref\/pr\/newsrelease577.html {Internet Archive, accessed 2017-03-23}. Netscape Communications Corporation. 1998. Netscape Announces mozilla.org, a Dedicated Team and Web Site Supporting Development of Free Client Source Code. (Feb. 1998). http:\/\/wp.netscape.com\/newsref\/pr\/newsrelease577.html {original, broken}, https:\/\/web.archive.org\/web\/20021004080737\/wp.netscape.com\/newsref\/pr\/newsrelease577.html {Internet Archive, accessed 2017-03-23}."},{"key":"e_1_3_2_1_28_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10459-010-9222-y"},{"key":"e_1_3_2_1_29_1","volume-title":"Proceedings of the Open Source Software Development Workshop. 155--175","author":"Reis Christian Robotoom","year":"2002","unstructured":"Christian Robotoom Reis and Renata Pontin de Mattos Fortes . 2002 . An Overview of the Software Engineering Process and Tools in the Mozilla Project . In Proceedings of the Open Source Software Development Workshop. 155--175 . Christian Robotoom Reis and Renata Pontin de Mattos Fortes. 2002. An Overview of the Software Engineering Process and Tools in the Mozilla Project. In Proceedings of the Open Source Software Development Workshop. 155--175."},{"key":"e_1_3_2_1_30_1","doi-asserted-by":"publisher","DOI":"10.1109\/HICSS.2014.407"},{"key":"e_1_3_2_1_31_1","doi-asserted-by":"publisher","DOI":"10.1287\/mnsc.1060.0553"},{"key":"e_1_3_2_1_32_1","unstructured":"Slashdot Media. 2017. SourceForge Website. (March 2017). https:\/\/sourceforge.net {accessed 2017-03-23}.  Slashdot Media. 2017. SourceForge Website. (March 2017). https:\/\/sourceforge.net {accessed 2017-03-23}."},{"key":"e_1_3_2_1_33_1","doi-asserted-by":"publisher","DOI":"10.1145\/2675133.2675215"},{"key":"e_1_3_2_1_34_1","volume-title":"Workshop: Global Software Development in a CSCW Perspective.","author":"Steinmacher Igor","unstructured":"Igor Steinmacher , Marco Aur\u00e9lio Gerosa , and David F. Redmiles . 2014. Attracting, Onboarding, and Retaining Newcomer Developers in Open Source Software Projects . In Workshop: Global Software Development in a CSCW Perspective. Igor Steinmacher, Marco Aur\u00e9lio Gerosa, and David F. Redmiles. 2014. Attracting, Onboarding, and Retaining Newcomer Developers in Open Source Software Projects. In Workshop: Global Software Development in a CSCW Perspective."},{"key":"e_1_3_2_1_35_1","unstructured":"The GNOME Project. 2017a. GNOME Bugzilla. (March 2017). https:\/\/bugzilla.gnome.org\/ {accessed 2017-03-23}.  The GNOME Project. 2017a. GNOME Bugzilla. (March 2017). https:\/\/bugzilla.gnome.org\/ {accessed 2017-03-23}."},{"key":"e_1_3_2_1_36_1","unstructured":"The GNOME Project. 2017b. GNOME Website. (March 2017). https:\/\/www.gnome.org\/ {accessed 2017-03-23}.  The GNOME Project. 2017b. GNOME Website. (March 2017). https:\/\/www.gnome.org\/ {accessed 2017-03-23}."},{"key":"e_1_3_2_1_37_1","volume-title":"Wallin","author":"von Krogh Georg","year":"2012","unstructured":"Georg von Krogh , Stefan Haefliger , Sebastian Spaeth , and Martin W . Wallin . 2012 . Carrots and Rainbows: Motivation and Social Practice in Open Source Software Development. MIS Quarterly 36, 2 (2012). Georg von Krogh, Stefan Haefliger, Sebastian Spaeth, and Martin W. Wallin. 2012. Carrots and Rainbows: Motivation and Social Practice in Open Source Software Development. MIS Quarterly 36, 2 (2012)."},{"key":"e_1_3_2_1_38_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0048-7333(03)00050-7"},{"key":"e_1_3_2_1_39_1","doi-asserted-by":"publisher","DOI":"10.2307\/1905466"},{"key":"e_1_3_2_1_40_1","volume-title":"Evolution of Open Source Communities. In OSS2006: Open Source Systems (IFIP 2.13)","author":"Weiss Michael","year":"2006","unstructured":"Michael Weiss , Gabriella Moroiu , and Ping Zhao . 2006 . Evolution of Open Source Communities. In OSS2006: Open Source Systems (IFIP 2.13) . Springer, 21 - 32. Michael Weiss, Gabriella Moroiu, and Ping Zhao. 2006. Evolution of Open Source Communities. In OSS2006: Open Source Systems (IFIP 2.13). Springer, 21 - 32."},{"key":"e_1_3_2_1_41_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.im.2006.12.006"},{"key":"e_1_3_2_1_42_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.im.2008.12.005"},{"key":"e_1_3_2_1_43_1","doi-asserted-by":"publisher","DOI":"10.1109\/HICSS.2005.57"},{"key":"e_1_3_2_1_44_1","doi-asserted-by":"publisher","DOI":"10.5555\/776816.776867"}],"event":{"name":"OpenSym '17: The 13th International Symposium on Open Collaboration","location":"Galway Ireland","acronym":"OpenSym '17","sponsor":["SIGWEB ACM Special Interest Group on Hypertext, Hypermedia, and Web","SIGSOFT ACM Special Interest Group on Software Engineering","NUIG NUI Galway"]},"container-title":["Proceedings of the 13th International Symposium on Open Collaboration"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3125433.3125446","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3125433.3125446","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T02:11:23Z","timestamp":1750212683000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3125433.3125446"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,8,23]]},"references-count":44,"alternative-id":["10.1145\/3125433.3125446","10.1145\/3125433"],"URL":"https:\/\/doi.org\/10.1145\/3125433.3125446","relation":{},"subject":[],"published":{"date-parts":[[2017,8,23]]},"assertion":[{"value":"2017-08-23","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}