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I've read about things like this before. Take a group of people and pass out 2-3 different coloured hats or shirts. Don't explain why they have to wear these things, just have them put them on. The green shirts clump together, the blues shirts clump together. At least at first. It's a weird thing about human nature to seek out a connection with others.
There's probably more to it than this, but I imagine that has roots in elementary school. Grouping up for activities and such. We're just used to joining together with our groups.
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[–] escape 2 points -2 points 0 points (+0|-2) ago
There's probably more to it than this, but I imagine that has roots in elementary school. Grouping up for activities and such. We're just used to joining together with our groups.