How does studying with music affect a students test scores?
Hypothesis
When a student studies while loud music is playing their test score will be low.
Variables
Independent variable: The volume of the music: 0 decibels, 3 dB, 6 dB, 9 dB, 12 dB
Dependent variable: The student's test score.
Dependent variable: The student's test score.
Constants
The test, type of music, amount of time spent studying