? the 3rd experiment can eb an entirely random one, though the

? the 3rd experiment can eb an entirely random one, though the

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送交者: mangolasi 于 2008-03-25, 13:25:17:

回答: yes. only the 3rd is controlled. but it introduced another 由 Enlighten 于 2008-03-25, 13:04:41:

implementation and sample size issue remains...

my use of word 'bias' is a little misleading. - Enlighten (221 bytes) 2008-03-25, 13:47:38 (213757)