Do cats like tuna flavored treats or chicken flavored treats? Cats in an experiment are randomly given either tuna or chicken flavored treats and the results are recorded. Is blinding demonstrated in this experiment?
Yes, the cats don't know the difference between tuna and chicken flavor.
No, the cats know the difference between tuna and chicken flavor.
Yes, by having someone not related to the experiment review the data.
No, because the experimenters do not know which one the cats are getting.