I worked for a Behavioral Psychology association and (even though I was their financial manager, I picked up on some of their buzz words and key terms) I believe this would be an example of what they call "positive reinforcement". In laymans terms, it gives the member who posts a sense of reward for posting. The more one posts, the greater the number of stars (or as in Will'* case, the golden stars), thus the greater the reward for posting. The stars may not be enough of a reinforcer for some, but for others, they gain copious amounts of satisfaction from the number of stars they 'earn'.
(BTW, I'm not kidding about the 'positive reinforcement'. It really is a term and it really does mean what I said. And yes, I really did work for a psychological organization.)
Retired Moderator, The Bonneville Club www.bonnevilleclub.com
RIP Oldsmobile, April 29
1995 Bonneville SE Supercharged (Stock)
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