The Plackett-Burman is an Extreme Screening Experiment in which the researcher wants to screen out the critical main effects from the significant or trivial effects. This design is very effective if time and cost are an issue, if each main effect is equally probable of affecting the criterion measures, and the main effects have either slight or no interactions .
The Plackett-Burman Design’s strengths are that it is relatively easy to construct as well as being easy to analyze. It also allows for the study of K number of factors in only K+1 runs. This means that the seven factors in this exp
