As we found in Chapter 11, there are many situations in which randomization is restricted. The split-plot design is an example of a restriction on randomization where a main effect is confounded with ...
In the preceding three chapters all the experiments involved a single factor and its effect on a measured variable. Several different designs were considered, but they all represented restrictions on ...
A six-month factorial trial in Makurdi associated neem leaf and bark treatments, particularly with rack storage, with better ...