How does the distance from an eye chart affect the number of letters that are recognized on a line? What are the dependent (DV), independent (IV) and control
variables (CV)?*
DV: the distance from an eye chart; IV: number of letter; CV eye chart
DV: eye chart; IV: the distance from the eye chart; CV: number of letters recognized
DV: number of letters that are recognized; IV: the distance from an eye chart; CV: eye
chart
How does the amount of light affect the growth of a plant? What are the
dependent (DV), independent (IV) and control variables (CV)?*
O DV: type of soil; IV: amount of light; CV: type of plant
ODV: amount of light; IV: growth of a plant; CV: amount of water
DV growth of a plant; IV: amount of light; CV: type of plant