Understanding group event scheduling via the OutWithFriendz mobile application

Shuo Zhang, Khaled Alanezi, Mike Gartrell, Richard Han, Qin Lv, Shivakant Mishra

Research output: Contribution to journalArticlepeer-review


The wide adoption of smartphones and mobile applications has brought significant changes to not only how individuals behave in the real world, but also how groups of users interact with each other when organizing group events. Understanding how users make event decisions as a group and identifying the contributing factors can offer important insights for social group studies and more effective system and application design for group event scheduling.

In this work, we have designed a new mobile application called OutWithFriendz, which enables users of our mobile app to organize group events, invite friends, suggest and vote on event time and venue. We have deployed OutWithFriendz at both Apple App Store and Google Play, and conducted a large-scale user study spanning over 500 users and 300 group events. Our analysis has revealed several important observations regarding group event planning process including the importance of user mobility, individual preferences, host preferences, and group voting process.
Original languageEnglish
Article number175
Number of pages19
JournalACM Proceedings on Interactive, Mobile, Wearable and Ubiquitous Technologies
Issue number4
Publication statusPublished - Dec 2017
Externally publishedYes


  • Group Event Scheduling
  • Group Decision Making
  • Collaboration
  • OutWithFriendz


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