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Measuring the effect of social connections on political activity on Facebook
1. Measuring the effect of social
connections on political activity on
Facebook
Internet, Politics, Policy 2012: Big Data, Big Challenges
Oxford, UK, Sep 20. 2012
Olli Parviainen, Petro Poutanen, Salla-Maaria Laaksonen & Mikael Rekola
Communications Research Centre CRC / University of Helsinki
Faculty of Social Sciences / Department of Social
Research / Media & Communication Studies www.helsinki.fi/crc
2. Outline
1. Introduction
2. Data, methods & variables
3. Research questions
4. Comparing support groups
5. Comparing user and admin initiated
communication
6. Discussion
4. Basic details
The study examines online political behavior
in Facebook
Network analysis and statistical analysis are
used
Case: Second round of the Finnish
presidential elections 2012
Massive campaigning on Facebook
Comparative study of the two supporter
populations
7. Data and method
Data extracted post hoc from Facebook platform via it's
FQL2 interface
Collected and analyzed using C++, Perl, Graph.pm, Gephi
and SPSS
Data comprises FB pages’ activities (wallposts, comments,
wallpost likes, comment likes) and structures (friendship
connections)
Social network analysis (Wasserman & Faust, 1994;
Monge & Contractor, 2003) and traditional statistical
methods (time series, correlation, and regression analysis)
8. Likes The number of likes the page has in the time of the post.
Number of wall post likes The number of likes the wall post has received
Number of comments The number of comments posted to the wall post
Number of comment likes The number of likes the comments within the wall post have received
Sum of all activity (wall post likes, comments and comment likes). Measures the response for the
Overall activity
post.
Active users Absolute number of different users activated in the post.
The share of the active users of page's all likers in the wall post . Measures the wall post's ability
Activity level
to engage the page likers (audience)
Number of wall post likers The number of different users liking the wall post
Number of commenters The number of different users commenting on the wall post
Number of comment likers The number of different users liking comments
Number of components Absolute number of friendship components within the post
Friendship network edges The number of friendship connections within the post
Friendship average component
Mean of all friendship component sizes within the post
size
Friend average degree Mean of number of friends the active users of the post have each other
Mean of number of friends the active users of the post have with all the active users in the two
Friend overall degree
week time frame
Friend clustering coefficient The clustering coefficient of the friendships
The percentage of the active users of the post who have at least one friend among the other
Network friends percentage
active users
Poster friend count Number of friends the author of the post has within all the active users of the page
10. What kinds of friendship structures are typical in
large support groups (e.g. dyad, triads, bigger
cliques, communities)?
How do people act in support pages (likes,
comment likes, comments, wall posts)?
How activities are associated with the friendship
structures of the support pages?
How the interaction patterns are associated with
the friendship structures of the support pages?
16. Results:
Overall activity (count of all activities)
400000
350000
300000
250000
200000 User
150000 Admin
100000
50000
0
Niinistö Haavisto
Niinistö Haavisto
User 9435 17818
Admin 84 127
17. Regression coefficients explaining user
generated activity level
Number of Avg. Friendship
components within centrality degree
the post within the post
Niinistö 1,075 0,511
Haavisto 0,999 0,8
All coeffiecients are highly statistically significant
18. In admin-initiated posts users’ intra-post
connedtedness is associated with bigger
activity in Niinistö page
20. Conclusion
Niinistö Haavisto
Activity More admin More user initiated
initiated
Structure Cliques, wide Dense
Interaction More friendship More community
based (”friends based (”strangers
interacting”) interacting)
21. Implications and challenges
Practical implication
enhancing means for political campaining and public relations practice
Scientific implications
Gaining more (accurate) information on social behaviour in online
social networks
Methodological contribution: SNA & statistics & large real world data
sets
Challenges
The platform infrastrucutre determines the activity heavily. For
example, how to identify the effects of the technology and include it
in the analysis, for example FB Edgerank?
Content of the posts matters: combining textual content analysis with
activity and network measures is needed
Contentual factors: external events, news media, gallups
Privacy issues: demographic variables are difficult to incorporate
- Hello,goodaftetrnoon, weare Olli & Petrofrom the University of HelsinkiWearehere to persentsomepreliminaryresults of ourongoingstudyproject on how to utilize social data as communicationresearch, byusing SNA for example
- Here are the topics of our presentationWewillwalkyouthrough the introductionpartveryshortly and thenfocus on preliminaryfindings and discussionrelated to ourstudy
Weaimed at exploring and explainingpoliticalsupportersbehavior and politicalcommunication in FacebookWeusedFinnishpresidentialelections in 2012 as a case study, and focused on the secondround and the twofinalcandidates’ official FB supportpagesWeusedbothrelational data based on friendshipconnections and data on activites on the pages
So, hereare the twocandidates, mr. Pekka Haavisto and the elected, currentpresidentmr. Sauli NiinistöThe second round comprised two weeks time period before the final Election Day in FebruaryTherewas a ,assivecampaigning on Facebook and traditional media referredit to as "Haavisto-phenomenon”Weassumethat social media is an importantnpart of the campaining as itmayfosterpoliticalactivity and engagesupporters via social networks plus set the agenda for news in the traditional media
We collected from these two support pages all wallposts, comments, wallpost likes and comment likes for the period two weeksWe also gathered data on the individual users’ friendship connections in order to form a network of the friendship structuresThe collection was made afterwards
the growthrates oflikes in the upperdiagramsareprettysimilar. the cumulativegrowth is on the upperleft, and itshows a gain of 173 new likers per onehour for Haavisto and 153 for NiinistöIn overall the trend is decreasing, which is shown in the upperright in differencedtrenddiagram- The amount of posts per daywerequitesteady,about 460 hundred in Niinistö page per day and 1197 in Haavisto page
Ennakkoäänestys puffit: Haavistolla iso piikki (vasen yläkulma), Niinistölle aktiivisten käyttäjien piikki (oikea alakulma)Kun admin-initiatedposts on mukana, Niinistöläiset aktivoituu (mölisee yhtä paljon kuin Haavistolaiset), muuten haavistolaisten kannattajajoukko (poislukienadminin aloittamat postit) keskimäärin mölisee enemmän.Niinistössä page itse generoi aktiivisuutta/keskustelua, Haavistossa myös fanit
Thegraphsdepict main components of the twopagesThe main componentsaccount 90 % of the activeusersNiinistö pagehassmalleramount of activeusers and has a largerdiameter and radiusThe averagepathlength is smaller in Niinistö page, indicating the presence of morewellconnectedusersAveragedegreecentrality is higher in Haavisto page, making the overallfriendshipstructuremoreinterconnectedalsovisible in averageclusteringcoefficient, in that Niinistö pageusersaremoreprone to cliquesness