> Those who got Valium and didn't know it....did not improve. Explain that! 
> It
> works, but you must know you are taking it!
>
> It occurs to me that a real (bee) trial would be one in which the raters 
> (of
> outcome) were blind to what the treatments were.

Actually, it is the bees (subjects) not the experimenters which should be 
blind to the treatment used, according to the analogy, methinks. 

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