This document provides an introduction to research concepts. It defines research as a systematic process of collecting and analyzing information to increase understanding. The scientific method involves tentative, empirically testable, and publicly shared approaches. Research can be basic, applied, or action-oriented. Qualitative research explores meanings through words and images, while quantitative research analyzes numerical data. Methods include experimental, case study, survey, and time-series designs. Research helps address problems in fields like public administration, through approaches such as needs assessment, process and outcome evaluations.