Question

b. dependent variable? dependent variable for radish growth growth or radishes
c. hypothesis: hypothesis for radish growth if the temperature is high then the growth of radishes
what effect does studying with music have on student test scores?
a. independent variable?
b. dependent variable?

Explanation:

In an experiment, the independent variable is the factor that is changed or manipulated, and the dependent variable is the factor that is measured and affected by the independent variable. For the question about studying with music and student test - scores, the presence or absence of music during studying can be controlled (independent variable), and the test scores are what we measure to see the effect of the music (dependent variable).

Answer:

a. Studying with or without music
b. Student test scores