Final answer:
The recommended duration for a kick-off meeting is about one hour, which allows enough time to cover essential topics without being too long. The exact length can be adjusted based on the project's complexity and needs.
Step-by-step explanation:
The duration of a kick-off meeting can vary depending on the project's complexity, the number of attendees, and the objectives of the meeting. Answer b, 'About one hour', is generally recommended for a standard kick-off meeting. This timeframe is sufficient to introduce the project team, outline the project goals, discuss key responsibilities, and address initial questions without being overly lengthy. An effective kick-off meeting sets the tone for the project and ensures everyone starts on the same page. However, the specifics can be tailored to the project's needs; for a simple project, a shorter meeting might be adequate, while complex projects might require a bit more time for in-depth discussions.