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.
Level I trauma adult center resources: 1  Trauma attending emergency department response. 2  Trauma resident (PG-4/PG-5) on site 24 hours a day. 3  Neuro-surgical resident on site 24 hours a day. 4  Neuro/trauma intermediate/acute care unit. 5  Organ procurement program. 6  Surgery/trauma intensive care unit with intensivist.