Anchor: , interview, self-administered forms, and computer interaction) should be undertaken to compare their cost and value in the ED.
Entailed: A few things should be done to compare their cost and ED value.
Contradiction: It is not necessary to hold interviews for comparing their cost and ED value.
Contradiction: The skeptic showed not interest in where they had been. 
Contradiction: Some people are doing something together.
Contradiction: While full of information the practices are never discussed.
Contradiction: VBA identified targets for senior executives to meet.