How can we control for the possible effects of the stress of

Last updated: 7/30/2022

How can we control for the possible effects of the stress of oral injection and the injected oil when evaluating the effects of treatments 1 and 2? a) Compare treatment 1 and 2 rabbits to rabbits injected with estrogen mixed with banana b) Compare treatment 1 and 2 rabbits to rabbits injected orally with oil mixed with banana c) Compare treatment 1 and 2 rabbits to rabbits receiving no injection d) Compare treatment 1 and 2 rabbits to rabbits in treatment 3