You need to take the test 25 times to get a reasonably accurate estimate. I scored ~75%.
http://www.nytimes.com/interactive/2...E_GRAPHIC.html
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                                                09-17-2008 06:00 PM
                                        
                                
                                
                                        
                                                #1
                                        
                                        
                                        
                                
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                                                09-17-2008 06:07 PM
                                        
                                
                                
                                        
                                                #2
                                        
                                        
                                        
                                
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| 30 times, 83%. i was 11/11 too! damn variance. | |
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                                                09-17-2008 06:33 PM
                                        
                                
                                
                                        
                                                #3
                                        
                                        
                                        
                                
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| 100% through 19 | |
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                                                09-17-2008 06:35 PM
                                        
                                
                                
                                        
                                                #4
                                        
                                        
                                        
                                
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| eff 95% through 25 | |
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                                                09-17-2008 06:48 PM
                                        
                                
                                
                                        
                                                #5
                                        
                                        
                                        
                                
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| 8/10 then I got bored and my efficiency would easily drop because of lack of focus | |
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                                                09-17-2008 07:06 PM
                                        
                                
                                
                                        
                                                #6
                                        
                                        
                                        
                                
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                                                09-17-2008 07:07 PM
                                        
                                
                                
                                        
                                                #7
                                        
                                        
                                        
                                
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| 88%, 25 times | |
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                                                09-17-2008 07:45 PM
                                        
                                
                                
                                        
                                                #8
                                        
                                        
                                        
                                
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| 88% on 25 trials | |
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                                                09-17-2008 08:41 PM
                                        
                                
                                
                                        
                                                #9
                                        
                                        
                                        
                                
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| i got 20/20 then stopped.. yawn? | |
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                                                09-17-2008 08:44 PM
                                        
                                
                                
                                        
                                                #10
                                        
                                        
                                        
                                
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| online poker players, especially those that multi-table, should be off the charts percentage wise at this game | |
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                                                09-17-2008 08:56 PM
                                        
                                
                                
                                        
                                                #11
                                        
                                        
                                        
                                
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| 1) prnt scrn and count | |
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                                                09-17-2008 09:24 PM
                                        
                                
                                
                                        
                                                #12
                                        
                                        
                                        
                                
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| yawn 100% | |
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                                                09-17-2008 09:42 PM
                                        
                                
                                
                                        
                                                #13
                                        
                                        
                                        
                                
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| 96% on 25, while crazy monkey tilting from wcoop bullshit | |
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                                                09-17-2008 10:44 PM
                                        
                                
                                
                                        
                                                #14
                                        
                                        
                                        
                                
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| 25 times 92% | |
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                                                09-18-2008 02:54 AM
                                        
                                
                                
                                        
                                                #15
                                        
                                        
                                        
                                
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| 84% over 25 | |
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                                                09-18-2008 03:04 AM
                                        
                                
                                
                                        
                                                #16
                                        
                                        
                                        
                                
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| 76 over 25 but I'm drunk | |
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                                                09-18-2008 10:29 AM
                                        
                                
                                
                                        
                                                #17
                                        
                                        
                                        
                                
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| 88% over 25 | |
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                                                09-18-2008 11:14 AM
                                        
                                
                                
                                        
                                                #18
                                        
                                        
                                        
                                
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| 100 / 25 then 88 / 100. | |
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                                                09-18-2008 12:15 PM
                                        
                                
                                
                                        
                                                #19
                                        
                                        
                                        
                                
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| 96 over 25 | |
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                                                09-18-2008 12:55 PM
                                        
                                
                                
                                        
                                                #20
                                        
                                        
                                        
                                
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                                                09-18-2008 01:05 PM
                                        
                                
                                
                                        
                                                #21
                                        
                                        
                                        
                                
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| 96% on 25 | |
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                                                09-18-2008 02:45 PM
                                        
                                
                                
                                        
                                                #22
                                        
                                        
                                        
                                
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| 100% over 25, ez game. Then I quit because I wanted to walk away a winner. | |
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                                                09-18-2008 04:42 PM
                                        
                                
                                
                                        
                                                #23
                                        
                                        
                                        
                                
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| I just came back to brag about my 83% over 25. | |
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                                                09-20-2008 09:32 AM
                                        
                                
                                
                                        
                                                #24
                                        
                                        
                                        
                                
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| 92% for 25. 22/25 correct answer was yellow. Rigged! | |
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                                                09-20-2008 10:03 AM
                                        
                                
                                
                                        
                                                #25
                                        
                                        
                                        
                                
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| 97% over 35 | |
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                                                09-20-2008 04:53 PM
                                        
                                
                                
                                        
                                                #26
                                        
                                        
                                        
                                
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 | but i wonder what this means | 
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                                                09-20-2008 05:29 PM
                                        
                                
                                
                                        
                                                #27
                                        
                                        
                                        
                                
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| blue is a stronger colour? | |