Stakeholder analysis is a type of project management analysis that helps project managers to identify and understand the needs, interests, expectations, and influence of the people who are affected by or can affect the project1. Stakeholder analysis can help project managers to communicate effectively with stakeholders, manage their expectations, and address any issues or concerns they may have2.

The other options are not relevant for the given information:

Regression analysis is a statistical method that examines the relationship between one or more independent variables and a dependent variable3. It is often used to test hypotheses, estimate trends, or forecast outcomes4.

Qualitative risk analysis is a process of prioritizing risks based on their probability and impact, as well as other factors such as urgency, stakeholder tolerance, or project objectives. It is often used to determine which risks require further analysis or response planning.

Decision tree analysis is a graphical tool that shows the possible outcomes and consequences of a decision or a series of decisions. It is often used to compare alternatives, evaluate risks, or identify optimal choices.

1: Types of Project Management: Methodologies, Industries, and More 2: 12 Project Management Methodologies: Your Guide | Coursera 3: Project Management: What It Is, 3 Types, and Examples - Investopedia 4: Regression Analysis - Formulas, Explanation, Examples and Types : Qualitative Risk Analysis vs Quantitative Risk Analysis - PM Study Circle : Qualitative Risk Analysis - Project Management Knowledge : Decision Tree Analysis - Decision Skills from MindTools.com : Decision Tree Analysis - Project Management Knowledge