In a PowerPoint presentation, show in detail how the steps of translating theories into practical plans could be applied in advanced nursing practice. Evaluate models and theories related to culture and apply them to an advanced practice nurse role. APA format references. The four levels of nursing theory are practice theory, middle-range theory, grand theory, and metatheory. Comprises either one or a combination of the following four types: Descriptive, Explanatory, Predictive and Prescriptive Theory . Purnell Model Application Spector’s Model Application Leininger’s Theory and Model Application Papadopoulos, Tilki, and Taylor Model Application Giger and Davidhizar Model Application Campinha-Bacote Model Conceptual Models: Fawcett’s Version