We see a lot of automated shop floor and process data capture going on, especially with larger companies. For example, OEE (Overall Equipment Effectivess) measurement is often reported in great detail and with great certainty ("Our factory OEE increased by 0.7% last month!").
Usually when Kaizen teams start to look at the data, they see that reported data through automated collection systems is at best unreliable and at worst downright misleading. The best way to understand line performance is to see and understand it for yourself and to collect data to support what you are seeing. Once you understand what you need, you can then turn again to automated systems to support you.
Time and again, challenging a team to turn away from 'analysis paralysis' and focussing on the key 'real' data leads to big jumps first in understanding and then to real progress in problem solving and problem resolution.
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