Anchor: Each of these criteria is associated, in the literature on case study methods, with performance standards such as triangulation believed useful in ensuring-if they are carried out-that the study will be a good one.
Entailed: Triangulation is one performance standard believed to be useful in ensuring that the study will be good.
Contradiction: Performance standards are not correlated with whether or not a study will be good.
Contradiction: The blonde woman is sitting down.
Contradiction: There are people protesting.
Contradiction: The man plays saxophone.
Contradiction: The NYTBR isn't skeptical about issues like that.