Value-based decision making is a method for making critical organizational decisions in an informed and timely manner. Use this tool to identify the most critical decisions you face, determine when to decide, and ﬁgure out what information you need to best make those decisions.
User modeling is a technique used to establish a commonly agreed-upon list of user roles for a product. This list of user roles and their descriptions provides helpful context for user stories and other backlog items. You can think of user modeling as one aspect of stakeholder analysis that is specifically focused on people interacting with a product or receiving value from it
Socratic questioning applied to projects and product development relates to finding the real need by establishing a thesis of what your stakeholder thinks their need is (usually expressed as a solution). You then engage in a dialog structured as a series of questions in an attempt to refute or disprove the thesis and get to the actual need.
Acceptance criteria are the conditions that a solution must satisfy to be accepted by a user, a customer, or, in the case of system-level functionality, the consuming system. They are also a set of statements, each with a clear pass/fail result, that specify both functional and nonfunctional requirements and are applicable at a variety of levels (feature and user stories).
The business value model is a technique for making critical organizational decisions in an informed and timely manner. Teams using this tool identify the most critical decisions they face, determine when they need to make those decisions, and figure out which information they need to best make those decisions.
The constraints matrix is a quick way to show the relative importance of a set of constraints facing a project team. Each row represents a general constraint faced by most teams. The most common set to use are: Cost, Time, and Scope (ie the Iron Triangle). The columns represent the amount of change that can be accepted for each constraint when trying to deal with an overall project change.