This is often the biggest eye-opener because a client will usually bring us in thinking they need us to redesign a single software product but then we reveal that their users are actually interacting with a dozen or more applications to get a single task done.
Are they constantly entering redundant data in multiple places? Do they need to log into and bounce around between multiple disparate systems? Do they struggle to find certain screens and data elements? Is the currently system painfully slow? Are they performing workarounds just to get their job done?
The key principle of shadowing is that the UX researcher(s) act only as an unbiased observer. They are not to interfere with the user as that interference might change the way the user behaves in any given circumstance. Once the user completes a given task, the researcher can then ask questions about the completed task and/or ask the user to walk through the task again – but it is critical that the researcher refrain from interrupting the natural flow of the user.
To determine the number of users you should shadow, first start by defining the number of user personas the product you are designing has. Then, try to shadowing 3-5 users that represent each persona. For example, if your product has Call Center Reps, Supervisors, and System Admins, you should try to shadow 3-5 of each. Typically, once you’ve observed more than 5, your observations will yield less and less unique findings.
Shadowing can take place over any time period. It can be as short as a 30-minute session or it can be very involved and take place over a period of days or weeks. The exact length of shadowing is normally determined by what the user does and what the researcher wishes to learn.
Record the sessions:
When possible, shadowing sessions should be recorded as they are conducted because the ability to playback a recorded session will prove to be invaluable. It is simply impossible for a researcher to capture every action the observe. In fact, you can have 5 researchers participate in the same shadowing session and each will observe different things and even have different interpretations of what they witnessed. The recording becomes the indisputable evidence.
The method you choose to record the sessions is also important because you should make sure the recording method does not distract the user from their normal activities and behaviors. For example, pointing a camera at the user can make them much more apprehensive and aware that they are being recorded, which will make them behave differently than the normally would. Using a simple web conference service like GoToMeeting or WebEx can be a great recording method for users that work at a desk all day because:
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