What Makes Software Design Effective? ◾ 137
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approach. ey started with a design discussion that focused on the premise of a queue
and the push/pop operations, and they explored this solution concept extensively to design
the trac simulation system. Further, they continued the discussions about roads and
cars ([0:42:40.4] until [0:52:15.7]); however, without reaching either a solution or a clear
identication of the next design problem, they moved to the topic of sensors ([0:54:33.6]).
Such inconclusive design discussions continued until [1:17:59.15] when Team A stopped
and replanned their design approach. At that point, the designers reassessed their design
problems, which guided them till the end ...