Salespeople and Programmers
baselinescenario.com
baselinescenario.com
From my own experience, everyone would probably agree on #1, #2, and #10, but most people put themselves at #3 and the person they work with most closely at either #4 or #9.
Also, attributing things to luck is an excuse to not be proactive. Whether or not things are 100% about luck, should still entail that we be proactive about increasing our opportunities for such magical devices as luck to occur.
Other than that, I like the author's social reasoning behind his post, it is good to think about when managing your own team.