When design engineers are given a new project, they are usually told what the system is supposed to accomplish, that is, what it will do if it works the way it is supposed to. Yet they are rarely told what the key decisions are that the system must help the operator make or the types of strategies or rules of thumb that the operator is likely to use. Left without any way to visualize the operator, designers do the best job they can to pack information onto screens so that it will all be there when needed. All the relevant information was available to the crew during the Vincennes shootdown,
...more
.c2
The static number was problematic because what was important in the moment was information about how the number is changing over time not so much what the number is.
This emphasizes use case and user focused design and strong product management work. Not just a dashboard with all the data the system has.
