Monte J. Shaffer - Applicant seeking PhD in Marketing :: Monte Shaffer
Monte J. Shaffer - Applicant seeking PhD in Marketing :: Monte Shaffer
Monte J. Shaffer - Applicant seeking PhD in Marketing :: Monte Shaffer
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<strong>Monte</strong> J. <strong>Shaffer</strong>
<strong>Monte</strong> J. <strong>Shaffer</strong>Learn<strong>in</strong>g <strong>in</strong> Open SourceCommunities of Practice
<strong>Monte</strong> J. <strong>Shaffer</strong>
Independent Developer Rational➲ Micro$oft Haters➲ Patent Copyright Issues➲ Hacker reputation➲ Learn<strong>in</strong>g➲ Contribut<strong>in</strong>g to Public Good➲ Economics: Forego short-term payoffs forlong-term ga<strong>in</strong>s<strong>Monte</strong> J. <strong>Shaffer</strong>
<strong>Monte</strong> J. <strong>Shaffer</strong>Open Source Def<strong>in</strong>ed➲ Loosely: Access to source code of software➲ Strictly: Free Redistribution, Source Code, Derived Works, etc.[http://www.opensource.org/docs/def<strong>in</strong>ition.php ]
SourceForge as Facilitator➲➲SourceForge.net is the world's largest Open Source software developmentweb site, host<strong>in</strong>g more than 100,000 projects and over1,000,000 registered users with a centralized resource for manag<strong>in</strong>gprojects, issues, communications, and code. SourceForge.nethas the largest repository of Open Source code and applicationsavailable on the Internet, and hosts more Open Source developmentproducts than any other site or network worldwide. Source-Forge.net provides a wide variety of services to projects we host,and to the Open Source community.SourceForge.net provides free host<strong>in</strong>g to Open Source softwaredevelopment projects. The essence of the Open Source developmentmodel is the rapid creation of solutions with<strong>in</strong> an open, collaborativeenvironment. Collaboration with<strong>in</strong> the Open Sourcecommunity (developers and end users) promotes a higher standardof quality, and helps to ensure the long-term viability of both dataand applications.[http://sourceforge.net/docs/about]<strong>Monte</strong> J. <strong>Shaffer</strong>
<strong>Monte</strong> J. <strong>Shaffer</strong>Interest<strong>in</strong>g Question➲ Can we comb<strong>in</strong>e Etienne Wenger'sCommunities of Practice Participation Theorywith Everrett Roger's Innovation DiffusionTheory●Is it possible to represent the size of the communitybased on activities AND extend GeoffreyMoore's 'chasm' idea to each participationgroup?
<strong>Monte</strong> J. <strong>Shaffer</strong>Source Forge Data Set➲➲Source Forge def<strong>in</strong>ed as a “super” community of practicewith each project as sub-communities.Over 2500 of the “top” projects (sub-communities) wereanalyzed, collect<strong>in</strong>g “rich” panel data from November1999 – December 2005.
GAIM – example data<strong>Monte</strong> J. <strong>Shaffer</strong>
GAIM – example data<strong>Monte</strong> J. <strong>Shaffer</strong>
GAIM – example data<strong>Monte</strong> J. <strong>Shaffer</strong>
<strong>Monte</strong> J. <strong>Shaffer</strong>Data ElementsCross-Section (n=2550)"project","pom","start","age","news","file","package","adm<strong>in</strong>s","developers","core","os","license","public","troves","activity","trove_types","packages","releases","files","modules","skillsCore","roles","audienceEU","audienceD","audiences","translations","developmentS"Time-Series / Panel Data (n=116,000)"project","period","prHits","prPages","prMB","trEo","trEc","trAge","trBo","trBc","trPo","trPc","trSo","trSc","trFo","trFc","sfPages","sfImpressions","forumPosts","downloads","downloadsMB","filesPackages","filesReleases","filesFiles","filesDownloads","filesMB","age","users","usersExperience","usersDonor","usersDonations","usersProjects","skillsCore","skillsNumber","skillsTime","skillsLevel","skillsResume"
Trends over time<strong>Monte</strong> J. <strong>Shaffer</strong>
Trends over time<strong>Monte</strong> J. <strong>Shaffer</strong>
Trends over time<strong>Monte</strong> J. <strong>Shaffer</strong>
<strong>Monte</strong> J. <strong>Shaffer</strong>SourceForge.net membershipproject membershipproject leadershipcavemanperipheralparticipationtransactionalparticipationpassiveaccess
<strong>Monte</strong> J. <strong>Shaffer</strong>SourceForge.net membershipproject membershipproject leadershipcavemanperipheralparticipationtransactionalparticipationpassiveaccessActivities:Features IncludedPatches AppliedFeatures RequestedPatches SubmittedBug FixedBug SubmittedSupport RespondedSupport RequestedForum PostPage ViewsSoftware Downloaded
Measur<strong>in</strong>g Learn<strong>in</strong>g with Data?Cave Man➲ Human Capital➲ Social Capital➲ Diffusion Theory➲ Network EffectsGNUIdeologyPracticality<strong>Monte</strong> J. <strong>Shaffer</strong>
<strong>Monte</strong> J. <strong>Shaffer</strong>Initial F<strong>in</strong>d<strong>in</strong>gsCloses Opens Intercept Coefficient F-statistic Adj. R-squared p-value Breusch-Pagan p-value % not closedtrEc trEo -9.61 0.85 5.73E+06 0.98 2.20E-16 16030.85 2.20E-16 15%trPc trPo -1.00 0.92 1.25E+07 0.99 2.20E-16 30980.34 2.20E-16 8%trBc trBo -4.52 0.91 6.25E+06 0.98 2.20E-16 7627.34 2.20E-16 9%trFc trFo -1.30 0.58 6.56E+05 0.87 2.20E-16 38122.16 2.20E-16 42%trSc trSo -1.64 0.91 2.45E+06 0.96 2.20E-16 34865.74 2.20E-16 9%closes opens 0.00 0.99 4.56E+06 0.98 2.20E-16 21169.04 2.20E-16 1%
<strong>Monte</strong> J. <strong>Shaffer</strong>Initial F<strong>in</strong>d<strong>in</strong>gsDownloads Variables Betas t value Pr(>|t|) F-statistic Adj. R-squared p-value Breusch-Pagan p-value1.00E+04 0.61 2.20E-16 25597.29 2.20E-16coreHC -17068 44.920 0.0005p1HC 1361134 -3.489 < 2e-16p2HC (trSo) -9259 25.787 < 2e-16help1 -1267939 -32.961 < 2e-16help2 586308 -24.112 < 2e-16complex 100519 33.590 < 2e-16popular 775498 23.232 < 2e-16(<strong>in</strong>tercept) 243544 240.168 < 2e-16
<strong>Monte</strong> J. <strong>Shaffer</strong>
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