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UI considerations in large-scale collective discussion systems, Ofer Morgenstern by Mind Map: UI considerations in large-scale collective discussion systems, Ofer Morgenstern
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UI considerations in large-scale collective discussion systems, Ofer Morgenstern

Collective discussions

Researching & making decisions on challenging questions collectivly




Network of, questions, ideas, arguments

No limitation on # of participants

Not same place, same time

Async parallel activity


Agenda growing from the discussion


The global brain, solutions for global problems, eg, global warming

Citizen agenda formulation in democracies

Thkinking & decision making in organizations

Examples of systems

Idea management systems

Argumentation systems

Information overload

Cognitive state when the information processing requirements exceed the individual processing capacity

limited attention resources per individual

once drained, individual ceases to be effective

Collective discussion is a complex activity requiring a lot of attention

many types of activities




Unoptimal strategies, Choosing 1st options, Abondoning discussions

Focus Theory

Briggs, 1994

Factors increasing attention in discussions

Alignment of goals

Minimal distractions


Attentions components

Access to information



If we make these 3 components more efficient, we increase effectivness

Attention management tools

Roda &al, 2006

Cognitive level

Filtering tools


Flow regulation

Discussion level


Automatic task prioritization

Focus on tasks according to discussion needs

Operative level

avoid distractions


Meta-cognitive level

Visualization of attention allocation

Behavior pattern analysis

Agenda tools

Their research focusses on:

Metrics-based Attention management tools

Kilen, 2011

Personal assistance monitoring the discussion & advising the users the next actions to participate in the discussion

Principles, Define normative process of discussion, refering to, Actions, Norms, Metrics, Exceptions, Define profile per user with relevant metrics, interesting to him, Provide recommendations during the discussion, based on identifying exceptions, & assisting them to focus their contribution...

Chose the methodology, Imen-Delphi, Goal, Design common agreed future to a group, Process, התבדרות, Questions, Statement, convergence, Evaluation, Implementation

Examples of system recommendations, Add questions to categories with less then x questions, Add statements to questions with less than x statements, Improve statements that others added arguments to, promote user's intersts, add ranking for statements with less than X rankings, for statements on which your ranking differs from others, review your ranking & add arguments

UI, Items sorted by contribution relevance, Recommendations given over the discussion, promoting both the discussion & your personal interests

Research model, Experiment & measure how much the Information Overload is resolved with these strategies