This document provides an overview of nursing research concepts including the history of nursing research, trends in nursing research, and types of research designs. It discusses Florence Nightingale's pioneering work in the 1850s that helped establish nursing as a research-based practice. Current trends focus on areas like leadership, primary health care, education, and technology. The main types of research designs covered are experimental, quasi-experimental, qualitative, quantitative, surveys, and correlational designs.