Final answer:
Middle range nursing theories are specific to a particular clinical setting, focus on specific aspects of nursing practice, and provide a framework for research and practice.
Step-by-step explanation:
Middle range nursing theories are specific to a particular clinical setting, focus on specific aspects of nursing practice, and provide a framework for research and practice. However, statement 4) Middle range nursing theories are broad and abstract is not an accurate characterization of middle range nursing theories. Middle range nursing theories are more focused and specific, rather than broad and abstract.