One of their findings was into the size of networking group favoured by their respondents. Most favoured a networking group of between 20 and 40 members. That supports the opinions that many people share when I ask that question at different group meetings.
It is also a figure that could be arrived at by combining the Dunbar number & the Pareto principle. According to the British anthropologist Robin Dunbar the number of individuals with whom a stable inter-personal relationship can be maintained is about 150. The Pareto principle (or 80-20 rule) states that, for many events, roughly 80% of the effects come from 20% of the causes.
Therefore if we have a capacity for about 150 relationships and 20% have the potential to be the most beneficial the ideal group size would be about 30.
What is your experience in different groups?
Good Networking!
Dave Clarke
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