A new protein supplement is designed to help athletes gain weight. To test this claim, 40 athletes are studied. 20 athletes are given the supplement and the other 20 are given a placebo. There weight is measured each week for 12 weeks. What is the responding or dependent variable?
Responses
Athe weight of the athletes
the weight of the athletes
BThe number of weeks in the trial.
The number of weeks in the trial.
CThe placebo given to the athletes.
The placebo given to the athletes.
Dwhat was given to each athelete, placebo or supplement
one answer