Philosophy of Science: An Introduction and a Grounding for Your Practice -- The Evolution of Nursing Science -- The Essentials of the Doctor of Nursing Practice : A Philosophical Perspective Theory as Practice -- Components and Levels of Abstraction in Nursing Knowledge -- Complexity Science and Complex Adaptive Systems -- Critical Theory and Emancipatory Knowing -- Feminist Ethics: Some Thoughts About "Care" and "Power" for Advanced Practice Nurses -- Theories and Methods in Ethics -- Educational and Learning Theories -- Health Behavior Theories -- Theories Focused on Interpersonal Relationships -- Economic Theories -- Theories of Organizational Behavior and Leadership -- Theoretical Approaches to Quality Improvement -- Theories Focused on Health Equity -- Public Health Theories -- Models and Theories Focused on Nursing Goals and Functions -- Models and Theories Focused on a Systems Approach -- Models and Theories Focused on Human Existence and Universal Energy -- Models and Theories Focused on Competencies and Skills -- Theories Focused on Caring -- Models and Theories Focused on Culture -- The Praxis Theory of Suffering -- Theory Testing and Theory Evaluation -- Using Theory in Evidence-Based Advanced Nursology Practice