Explanation
Whenever a business analyst hosts event-based elicitation, ground rules should always be established. Ground rules help organize how the elicitation will take, how feedback should be offered, and how identified requirements will be verified.
Answer C is incorrect. Robert will need to communicate the business opportunity before the workshop so the group understands the purpose of the workshop.
Answer B is incorrect. While stakeholders may have different rankings in the organization the understanding of which stakeholders are most important is not relevant to the meeting running smoothly.
Answer D is incorrect. Stakeholders do not need to understand how the requirements elicitation processes work beyond the workshop meeting.

Explanation
Job shadowing is an elicitation process that is a part of job observation. In this process, the observer is required to keep an eye on those workers whose work routine is down and who are unable to explain their work. The observer has to understand their work process for better assessment of the modifications of the work required.
The following are the approaches for this technique:
Passive/Invisible. In this approach, the observer does not ask Questions from the user about his work while the user is working.
Active/Visible. In this approach, the observer does ask Questions from the user about his work even when the user is working.
Answer A is incorrect. Identifying stakeholders is one of the first business analysis activities.
Answer C is incorrect. Defining and determining business analysis processes are needed as part of business analysis planning.
Answer D is incorrect. Planning how requirements will be approached, traced, and prioritized is a precursor to requirements elicitation.

Explanation
Benchmarking does allow for the discovery of new approaches that have worked elsewhere. Answer B is incorrect. Benchmarking can be time consuming.
Answer D is incorrect. Benchmarking can restrict new innovations, as the study is based on what's worked elsewhere.
Answer C is incorrect. Benchmarking does require expertise by the person completing the study.