Author Question: Before any treatment is introduced, the variation that exists between two groups that are equal is ... (Read 74 times)

wenmo · **on:** Jun 20, 2018

Before any treatment is introduced, the variation that exists between two groups that are equal is due to:

a. chance.
b. the F-ratio.
c. the independent variable.
d. the dependent variable.

Question 2

If two groups are equal with regard to the dependent variable at the start of an experiment before the independent variable is introduced, we can assume that the F ratio would be:

a. 0
b. 1
c. >1
d. unknown