Dr.O'Hara is investigating the effect of music on the productivity of employees in a factory.Half of the employees listen to music while working and half do not listen to music.Dr.O'Hara measures the productivity of each employee.In this study,which group does NOT listen to music

A)  the experimental group
B)  the dependent group 
C)  the control group
D)  the independent group

Control Group

In an experiment, the group that does not receive the treatment and is used as a benchmark to measure how the other tested groups compare.

Music

A form of art that uses sound organized in time, often combining vocal or instrumental sounds to produce harmony, rhythm, and expression of emotion.

Productivity

The efficiency at which goods or services are produced, often measured in terms of output per unit of input.