Agent-Based Modeling to Inform Online Community Theory and ...

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Design Interventions Discussion Moderation Newcomer Socialization Incentive Structure Under Review at Information Systems Research Please do not cite without author permission Figure 1. The Conceptual Framework for the Agent-Based Model Community Characteristics Message Quantity Message Quality Group Size Group Similarity Interactions Member Actions Read Messages Post Messages Member Benefits Benefit from Accessing Information Benefit from Sharing Information Benefit from Attachment to group Benefit from Attachment to members Benefit from Recreation Benefit from Reputation Member Motivation Member Motivation
Under Review at Information Systems Research Please do not cite without author permission Figure 2. Comparison of Real (left) and Simulated (right) Data in Community Statistics Surviving log(frequency) 4 3 2 1 0 posts per member replies per msg outdegree per member 0 0.48 0.7 0.85 0.95 1.04 1.11 1.18 1.23 log(count) log(frequency) 4 3 2 1 0 posts per member replies per msg outdegree per member 0 0.48 0.7 0.85 0.95 1.04 1.11 1.18 1.23 log(count) Figure 3. Comparison of Real (left) and Simulated (right) Data in Member Survival 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 50 100 150 200 250 300 350 duration Surviving 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 50 100 150 200 250 300 350 duration2 Figure 4. Effects of Moderation on Community Activity When Topical Breadth Varies New Posts Per Day 25 20 15 10 one topic five topics nine topics Personalized moderation No moderation Community-level moderation
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