Method validation is a process that evaluates an analytical method for its suitability to the intended purpose of the scientific study. This is an effective tool to assess the quality and reliability the results of a particular study.
According to the FDA, method validation procedures must assess the results and conclusions of a scientific study for accuracy, sensitivity, specificity, and reproducibility.
The USP also requires analytical method validation on the following measures:
Histrionic means that it is exaggerated or showy. It is a exaggerated dramatic designed to attract attention and that is what Alex is doing. He is "center of attention".