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.
The underground facility is home to the Alternate Joint Communications Center (AJCC); however, it also serves as a disaster recovery and Emergency Operational Center for several branches of the military. Most of the activities of the Raven Rock Mountain Complex, commonly referred to as Site R, are classified. It appears that the government greatly discourages any and all release of information about the facility.