In a two-factor experiment with two levels of factor A and 2 levels of factor B, three of the treatment means are essentially identical and one is substantially different from the others. What result(s) would be produced by this pattern of treatment means?
a. a main effect for factor A only
b. a main effect for factor B only
c. an interaction between A and B
d. main effects for both A and B, and an interaction
Question 2
_______________ or imitation of treatment occurs when a comparison group learns about the program either directly or indirectly from program group participants.
Fill in the blank(s) with correct word
Relationship between a diagnostic label and related factor
Worldwide Variations in Population and Income Levels
Platelet-activating factor
Redi Experiment
Age is the leading risk factor for cancer
A time map of the genes studied in the experiment