A blocking factor is
A) the treatment factor in a one-way ANOVA.
B) a treatment factor ANOVA in a two-way ANOVA.
C) a factor which causes variations that are included in SSE.
D) an extraneous variable which causes variations not included in SSE.

Question

Quizplus · Accepted Answer

A blocking factor is an extraneous variable that can affect the outcome of an experiment but is not of primary interest. It is controlled or accounted for by blocking, thus its effects are not included in the error term (SSE, or sum of squares due to error) of the analysis of variance (ANOVA).

A Blocking Factor Is