1. Explain the difference between the variable of interest and the blocking factor. What is another term for the variable of interest? For the blocking factor? (p. 694)
12.3.1
The variable of interest is the variable we are interested in studying, and the blocking factor is a variable that is not of primary interest to the researcher but is included in the ANOVA in order to improve the ability of the ANOVA to find significant differences among the treatment means. Treatment. Nuisance factor.