Quick Multiple Choice Question!!!!! Please help!!
Jane sets up an experiment to find out if kittens prefer skim milk, 2% milk, or whole milk. She puts out a cup of skim milk for 5 kittens and then measured how much the kittens drank during a day. The next day, she used the same kittens and put out a cup of 2% milk. The last day, she used the same kittens and put out a cup of whole milk. She discovered that the kittens preferred whole milk. There are many problems with this experiment. Each of the following would improve the experiment except which one?

Question

Quick Multiple Choice Question!!!!! Please help!!
Jane sets up an experiment to find out if kittens prefer skim milk, 2% milk, or whole milk. She puts out a cup of skim milk for 5 kittens and then measured how much the kittens drank during a day. The next day, she used the same kittens and put out a cup of 2% milk. The last day, she used the same kittens and put out a cup of whole milk. She discovered that the kittens preferred whole milk. There are many problems with this experiment. Each of the following would improve the experiment except which one?

learner1234 · Answer

A) Each kitten should be tested and measured separately.
B) The milk should be served at different temperatures.
C) The amount of any other food should be kept constant on each day.
D) The different milks should be given in random order.  - I know this is NOT the answer.
E) The treatments should be repeated several times.

I'm leaning towards B.

delbert · Answer

c