This document discusses research methods used in library, field, and laboratory research. It defines research and notes that it is a systematic process of investigation using study, observation, comparison and experimentation to gain new knowledge. Research methods refer to the specific techniques used to conduct research operations and solve research problems. The document outlines different types of research methods including library methods, field research methods, and laboratory research methods. It provides examples of techniques used within each of these methods, such as observational scales, questionnaires, interviews, and audio-visual devices. The key difference between methods and techniques is that methods refer to the overall approaches used while techniques are the specific tools or procedures employed.