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

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The group that walks an additional 1 mile every day is the experimental group because they are receiving the intervention being studied. The control group is the group that does not receive the intervention and goes about their normal daily routine. The placebo group is a group that receives a fake intervention (such as a sugar pill) to control for the placebo effect. The terms "dependent group" and "independent group" are not commonly used in experimental design.

A Study Is Conducted to See If Walking Reduces Joint