15 mental models to simplify complex decisions

A guide outlines 15 thinking frameworks designed to help individuals cut through complexity, reduce decision fatigue, and reach clearer conclusions faster. The models provide structured approaches for tackling difficult choices by reframing problems and focusing on key variables. The article emphasizes practical application over theory, offering tools such as inversion, the 80/20 principle, and Occam's razor. Each model is explained with real-world examples to illustrate how it can be used in everyday decision-making. The frameworks are drawn from various disciplines including psychology, economics, and engineering. The goal is to equip readers with a mental toolkit that enhances critical thinking and improves outcomes in both personal and professional contexts.