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A double-blind experiment means that: All the subjects of the experiment are blind The experiment' subjects are blindfolded to prevent them from seeing how they are being treated Only the treatment group knows their status (whether they are in a treatment or in a control group the subjects do now know whether they are in a treatment or in a control group Only the control group knows their experiment status (whether they are in a treatment group or in a control group

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Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998