A Study Is Conducted to See If Walking Reduces Joint

Multiple Choice

A study is conducted to see if walking reduces joint stiffness in people suffering from arthritis of the knee.Half the participants are instructed to walk an additional 1 mile every day,while the other half are told to go about their normal daily routine with no additional exercise.In this study,the group that walks an extra mile every day is referred to as the

A) control group.
B) experimental group.
C) placebo group.
D) dependent group.
E) independent group.