This document discusses research methods and the importance of research. It notes that research aims to increase knowledge and discover answers to questions through creative and systematic work. Research provides the basis for government policies, helps solve business problems, and addresses social issues. It also helps students earn PhDs. Motivations for research include curiosity, a desire to understand causes and effects, and a desire to solve problems or do creative work. Good research must be logical, empirical, use common concepts, and have a design that aligns with its objectives. Limitations include data that may not be fully valid or adequate to support conclusions, the inability to analyze all influencing factors, and samples that may not be truly representative.