In a study on the effects of caffeine on memory one group of participants drank a bottle of tasteless water containing 100, 50, or 0 milligrams of caffeine. Another group of drank a bottle of water with no caffeine. The participants assigned to the group that got bottled water with no caffeine represents the _____ in this study.
A)dependent variable
B)placebo group
C)meta-analysis
D)experimental group

Question

Quizplus · Accepted Answer

The group that drank bottled water with no caffeine is the placebo group, as they are receiving a treatment that does not contain the active ingredient being studied (caffeine).

In a Study on the Effects of Caffeine on Memory