This document summarizes key concepts from Chapter 14 of the 15th edition of the textbook "Engineering Economy" relating to multi-attribute decision making. It discusses that most decisions consider multiple non-monetary attributes in addition to economic factors. Various methods are presented for structuring multi-attribute decisions, including identifying relevant attributes, assigning measurement scales, and determining whether to use compensatory or non-compensatory models. Both additive weighting and non-dimensional rating approaches are outlined for evaluating alternatives in a compensatory manner.