Because this is a unidimensional scaling method, it is assumed that the concept you want to measure is one-dimensional in nature. You might operationalize the definition as an instruction to the people who are going to create or generate the initial set of candidate items for your scale. Generating the Items.
Additional requirements for Level 1 designation: Level 1 Trauma Centers provide the highest level of trauma care to critically ill or injured patients. Seriously injured patients have an increased survival rate of 25% in comparison to those not treated at a Level 1 center.
November 8, 2016: The TSE Council approved and designated Kootenai Health in Coeur d'Alene as a Level II Trauma Center. October 11, 2016: The TSE Council approved Clearwater Valley Hospital in Orofino as a Level IV Trauma Center, and Teton Valley Hospital in Driggs as a Level IV Trauma Center.