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Diagnose like a Tappet Brother

Car talk is a radio talk show broadcast on National Public Radio. Tom and Ray Magliozzi—the Tappet Brothers—are MIT-educated mechanics that take calls from listeners and help them solve their car issues while making jokes about themselves, the caller, and others. The premise is straight-forward: callers describe the symptoms of […]

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Build issue trees: diagnosis trees and solution trees

Issue trees (also called issue maps and logic trees) are at the heart of our problem-solving approach and, therefore, are a recurrent theme on this site. We use two types of trees: diagnosis trees and solution trees. An issue tree is a graphical breakdown of your key question. Trees have […]

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