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.
Research and prevention programs are essential for a Level I trauma center. Level II A Level II center is a facility that is also expected to provide initial definitive trauma care, regardless of the severity of injury. The Leve II center can be an academic institution or a public or private community facility.