When planning a schedule with limited information, the project manager can use several techniques to identify tasks and estimate their durations:
Rolling wave planning and an adaptive approach (A): Rolling wave planning is a form of progressive elaboration where the work to be accomplished in the near term is planned in detail, while the work in the future is planned at a higher level1. It is an iterative planning technique that allows you to plan for the future but focus on the immediate work2.
Relative estimation to determine the task or deliverable sizes (B): Relative estimation is a technique used to estimate the size, effort, duration, or cost of work items by comparing them to other work items2. It is particularly useful when there is limited information available.
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