Identify the control group the experimental group the independent variable and the dependent variable.
A new sunscreen has been
developed that is supposed to be
more effective at preventing
sunburn. 30 participants spray
one arm with
the new formula, and spray the
other arm with the leading
formula. After 4 hours in the sun,
their skin is evaluated for any
redness.
the controlled group is the leading brand, the experimental group is the new formula, the independent variable is the sun, and the dependent variable is the skin.
