In double-blind experiments, at least some participants and some experimenters do not possess full information while the experiment is being carried out.
In a double-blind experiment, neither the individuals nor the researchers know who belongs to the control group and the experimental group.
In common with all such tests is that they did not use a double-blind experiment, where the experimenters do not know the instruments as well.
"He's in a double-blind experiment with a new drug."
To avoid these effects interaction should be minimized and double-blind experiments should be used.
He mumbled about "a one-man double-blind experiment" and submitting the results to a journal.
Because it is impractical to do double-blind experiments involving stretching, such studies are vulnerable to placebo effects.
This was a single-blind experiment, not a more rigorous double-blind experiment.
Contemporary furniture can be an investment - a kind of double-blind experiment.
The example the authors give turns a standard titration lab into a double-blind experiment.
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