Ill give out brainiest 

In a research studying the effect of sugar intake on concentration, the researcher randomly assigns student participants to either a group that receives water before taking a test or juice and candy before taking a test. The dependent variable in the study is the:

A)sugar consumption
B) water
C)test scores
D)control group
E)the time of day

My answer was sugar consumption but it was marked wrong. Any help?

Q&A Education