=+(in random order) by all 21 individuals in the study.

The data was analyzed by the R software, giving the following output. Note that the format of the ANOVA table in R is very similar to the one we use, except R eliminates the row of “totals” and uses the word residuals instead of error. The column labeled ‘Pr(>F)’ represents P-value.
Df Sum Sq Mean Sq F-value Pr(F)
DESIGN ? 519515 ? ? ?
PERSON ? ? 5023 ? 0.445 Residuals ? 293009 ?