Abstract Background Nursing home performance measurement systems are practically ubiquitous. The vast majority of these systems aspire to rank order all nursing homes based on quantitative measures of quality. However. the ability of such systems to identify homes differing in quality is hampered by the multidimensional nature of nursing homes and their residents. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC530-WUH721414ALE6L1-0F31170-14TB-7-2K-RPM-SATA-6Gb-s-512e-SED-3-5in-Hard-Drive/