A method and system is disclosed that provides: (a) a theoretical framework for designing psychological research that uncovers individual decision-making networks, both in terms of sampling requirements and questioning methods, (b) an implementation interface to schedule and administer the appropriate question sequences between an interviewer and a given individual, in real-time, via a web-based system, and (c) a coding and analysis system to summarize and quantify the potential of alternative decision structures to be used to optimize the development of marketing and communication strategies.