This document discusses various planning techniques and tools that can be used in decision making. It describes techniques for assessing the environment like environmental scanning, forecasting and benchmarking. It also covers techniques for allocating resources such as budgeting and scheduling. Specific tools discussed include PERT analysis, affinity diagrams, tree diagrams, interrelationship diagrams, matrix diagrams, prioritization matrices, process decision program charts and activity network diagrams. The document emphasizes applying the appropriate planning techniques and tools to formulate decisions from alternatives in decision making.