Independent Variables: Variable that is changed/manipulated. , MIX (Independent on X axis), Exposure to blue light, Dependent Variables: Variable that is measured/observed., DRY (Dependent on Y axis), Duration of Sleep, Control Group: The teens not exposed to blue light, Baseline data to compare, Experimental Group: The teens exposed to blue light, Data receiving the treatment,

How does the blue light from cell phones affect sleep in teenagers?

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