Dr.Hinson wants to investigate if rats fed a diet enriched with omega will do better at a maze learning task then when these same rats are given a normal diet.He has a total of 30 rats for his experiment.What should Dr.Hinson do before he starts his experiment?
A)counterbalance the diet so 15 rats receive omega then normal chow and 15 normal chow then omega diet
B)raise them on the appropriate omega diet before starting his experiment
C)measuring the speed of each rat can run before implementing the independent variable
D)All of these