An Animal Study Is Being Conducted to Determine the Effect

Multiple Choice

An animal study is being conducted to determine the effect of vitamin C on the development of common cold. The researcher gives one group of rats the vitamin C pills, and the other group of rats gets the "dummy" pill (placebo) . The rats that received the placebo would be called the:

A) dummy group.
B) double-blind group.
C) intervention group.
D) experimental group.
E) control group.