Latent variables are involved in almost all kinds of regression models. In a broad sense, all additive error terms in regression models are latent variables simply because they are not measured in research. Hereafter, however, a narrower sense of latent variables is used when referring to latent variable models.
There are four common nursing care model s: functional nursing, team nursing, p rimary nursing, and case management nursing. T he two models of care used in. this study are the functional nursing and team nursing. Functional nursing is a model in which care is organized and provided according to th e. task.
Functional medicine involves understanding the origins, prevention, and treatment of complex, chronic disease. Hallmarks of a functional medicine approach include: 1  Patient-centered care. 2  An integrative, science-based healthcare approach. 3  Integrating best medical practices.