According to the BABOK® v3 Guide, the purpose of the task Plan Business Analysis Approach is "to define an appropriate method to conduct Business Analysis activities."
This task is about assessing the initiative from a stakeholder, scope, organizational environment, and expected outcomes perspective. The business analyst may not know everything about the new environment or initiative during the early planning and approach formulation and so it is important to remember that the business analyst can change and update their approach and planning as they learn more during the initiative. However, in the earlier stages of the initiative, it is important to consider which techniques it may be most appropriate to apply based on the knowledge available to the business analyst.
It is also important for the business analyst to understand...