If you reward people by giving them XP for up-voting, and punish them for down-voting (this is, assuming people care about their XP), on top of the already existing social pressure of prefering up-votes, you make up-voting even more meaningless. Votes have meaning if casters have choices, with equal gain for each choice.

It can be quite fun to get XP, look to see what for, and discover that some old node of yours was rediscovered.

How do you do that?

Abigail

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