Scenarios can be exceptionally helpful, they make sure you capture a process in great detail from every person learning the best process from each person involved.
They take time, lots of time. Every time you talk to someone you have to go all the way through numerous times.
This can result in observer bias as you have seen the process numerous times before and start to guide participants. You may also find that scenarios get incredibly complex with numerous sub-paths leading to repeating the process.
This can lead to an endless cycle of time taken. It is important to balance the effectiveness of scenarios against the cost of running them and exploring alternative methods.
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All the time in the world
