In a study on the effects of caffeine on memory, participants drank a bottle of tasteless water containing 100, 50, or 0milligrams of caffeine. Neither the researcher who handed outthe bottled water nor the study participants knew whether the water contained caffeine or not. This is an example of a _____study.

Question

Quizplus · Accepted Answer

This study is an example of a double-blind study because both the researcher and the participants were unaware of whether the water contained caffeine or not.

In a Study on the Effects of Caffeine on Memory