This document discusses various techniques that can be used in decision making processes. It begins by defining what a decision is and outlining the typical steps in a decision making process. It then describes several quantitative and qualitative techniques that can be employed at different stages of decision making, including marginal analysis, break even analysis, financial analysis, paired comparison analysis, Pareto analysis, ratio analysis, operation research techniques, nominal group technique, brainstorming, grid analysis, and force field analysis. The document concludes by emphasizing the importance of weighing pros and cons when making decisions and accepting responsibility for the consequences of decisions.