Point Lookout: a free weekly publication of Chaco Canyon Consulting
Volume 8, Issue 51;   December 17, 2008: The Perils of Piecemeal Analysis: Content

The Perils of Piecemeal Analysis: Content

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Last updated: August 5, 2018

A team member proposes a solution to the latest show-stopping near-disaster. After extended discussion, the team decides whether or not to pursue the idea. It's a costly approach, because too often it leads us to reject unnecessarily some perfectly sound proposals, and to accept others we shouldn't have.

You're in a meeting, with eight other anxious souls, discussing the latest burning issue. Dale has just presented a proposal that's innovative, elegant, and creative. One by one, people raise questions about the idea. Well, not questions…they're more like objections. "What if X happens?" or "Does it deal with the Y problem?" or "Is it compatible with Z?" or "Can we can get budget approval?" And so on.

Albert Einstein playing his violin on his 50th birthday in 1929

Albert Einstein playing his violin on his 50th birthday in 1929. In 1935, he published a paper with two of his research associates, Boris Podolsky and Nathan Rosen. The paper posed a problem in quantum mechanics which has become known as the EPR Paradox, and which has been debated ever since (though most physicists now believe the matter is settled). The debate of this question, much like most scientific debates, has been fairly symmetric, in that all participants contributed both proposals and objections with more or less similar intensity and formality. Science has little tolerance for the asymmetry we see in piecemeal analysis, which leads so often to incorrect conclusions. Photo courtesy Town Topics, community newspaper of Princeton, New Jersey. Read more about the EPR Paradox.

Some objections have immediate answers. Most don't. Since the details are unknown, nobody has all the answers. Unanswered objections are added to a growing Issues List.

Eventually the list becomes intimidating enough that some lose faith, and the initial optimism starts to fade. With momentum dissipating, someone suggests another approach, and promises to have a proposal tomorrow. Dale's idea is abandoned.

Sometimes the opposite happens: we find answers to all the questions we can think of, and we think all is well when it isn't.

I call this pattern of group discussion piecemeal analysis. It can mean the end for perfectly fine proposals, and it can lead to a "go" for some truly dumb proposals. Why? In this first part, we approach the question from a content perspective. In the second part, we examine the group dynamics of piecemeal analysis. Here are five ways in which the reasoning of piecemeal analysis might go astray.

Objectors have an advantage
Since we see the objections as independent of each other, responding effectively to one objection leaves the credibility of the other objections intact. By contrast, because of the halo effect, flaws in one part of the proposal degrade the credibility of the whole.
Objections might not be logically consistent
Since objections are independent, they and their implications need not be mutually consistent. Moreover, some objections, taken together, might have subtly inconsistent implications that we miss in a fast-paced discussion. What might seem to be flaws in the proposal might not be, because the conditions of the objections cannot all be met.
Some objections are invalid
Some objections seem plausible, but their conditions cannot actually occur. Yet, in error, we add them to the Issues List. They become part of the case against the proposal, almost as if they were demonstrably valid.
Some of our answers to objections are incorrect
As the defenders of the proposal respond to the objections, the group assesses the validity of their responses. Sometimes both the response and the assessment are incorrect. The proposal moves ahead when it should not.Some objections might
seem plausible, but
cannot actually occur
We overlook some valid objections
When we rely only on the open discussion to analyze the proposal, we might overlook some material issues that are truly problematic, or we might reject them incorrectly. This is most likely when things are going well for the proposal.

But even if we could address these content issues of piecemeal analysis, issues related to the dynamics of the group remain. We'll look at that side of the question in two weeks.  Next in this series Go to top Top  Next issue: Making Memories to Cherish  Next Issue

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