Problem
A group of researchers suspect that how much time teenagers spend on their phone may affect ability to learn new information. a group of 20 teenagers were randomly assigned to either the low restriction cell phone group where they were allowed to use their phones 8 hours per day or the high restriction cell phone group where they were only allowed access to their phones for two hours a day. After 2 weeks , the participants scores on a test of general knowledge were compared.
a) What is the independent variable?
b) What is the experimental group?
c) What is the control group?
d) What is the dependent variable?