Investigating OSN Users' Privacy Strategies
Introduction
Research Software
Empirical Study
Tracking Tool Visualizing Tracked Data
Findings Suggestions for Design?
Summary of Results
Summary of Results
● Research software facilitates understanding of OSN users’ privacy strategies
● Privacy strategies are not limited to provided privacy features
Introduction
Research SoftwareChallenge 1:Privacy strategies do not only manifest in usage of provided privacy settings
Challenge 2:Limits of self-reporting, log data
Challenge 3:Abundance of data
ROSE
Empirical Study
Empirical Study
112 Participants12 ParticipantsEmpirical Study
Grouping ExerciseAlternative Strategies
Empirical Study
● 33% created at least one list
● only 54% (of these 33%) used lists for sharing
Empirical Study
Place of interaction
Relationship
Empirical Study Participants
Empirical Study
P9: “I either share with all my friends or I
don’t share at all” P1: “I was thinking about sharing a
picture - in the end I didn’t because I didn’t want some people to
see it.”
* significant difference p < 0,1 ** significant difference p < 0,05
Using FL (n=20)
Not Using FL (n=75)
p-value
Alternative Strategies m (sd) m (sd) p
Withholding Information
Frequency of Posting (1=“several times a day”” to 7=“less than once a month”)
5,4 (1,5) 6,1 (1,4) 0,062*
Motivation to Share:(1=”strongly disagree” to 6=”strongly agree”)
3,5 (1,4) 2,8 (1,3) 0,049**
Get vs. share information:(1=”primarily to get information” to 7=”primarily to share information”)
3,4 (1,8) 3 (1,9) 0,360
Empirical Study
Publishes Content
Private Message
Group Message
Post
Others Timeline
Group
1:1
1:n
1:nAlice
a priori
in situ
1:n
in situ
in situ
a priori
Empirical Study
Summary of Results
Summary of Results
● Research software facilitates understanding of OSN users’ privacy strategies
● Privacy strategies are not limited to provided privacy features
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