Experiment: IV, DV, Constants, Etc.

Question 1

One tank of goldfish is fed the normal amount, which is once a day; a second tanks is fed twice a day; and a third tank is fed four times a day during a six-week study. The fishes’ body fat is recorded daily

What is the IV?( independent variable )

Answer 1

IV: ( in charge of ) how many times the fish are fed

Question 2

One tank of goldfish is fed the normal amount, which is once a day; a second tanks is fed twice a day; and a third tank is fed four times a day during a six-week study. The fishes’ body fat is recorded daily

What is the DV? ( dependent variable )

Answer 2

DV: the body fat of the fish ( data )

Question 3

One tank of goldfish is fed the normal amount, which is once a day; a second tanks is fed twice a day; and a third tank is fed four times a day during a six-week study. The fishes’ body fat is recorded daily

What are some constants ( things kept the same )

Answer 3

Constants: Cleanliness of tank, same food, species of fish

Question 4

One tank of goldfish is fed the normal amount, which is once a day; a second tanks is fed twice a day; and a third tank is fed four times a day during a six-week study. The fishes’ body fat is recorded daily

What is the control? ( the part of the experiment that is being compared with the experimental group )

Answer 4

Control: The fish that are fed the normal amount per day, once