The Halo Effect

Book Club: The Halo Effect; The nine delusions of management books

What you see is not always what you think you see, my dears. This is particularly the case when we seek to identify cause for a particular effect.

n his book The Halo Effect, Phil Rosenweig lays out 9 specific delusions and shows how they distort the advice you find in management books. They are:

1. The Halo Effect - tending of analysis of a company to reflect only the overall results

2. The Delusion of Correlation and Causality - the lack of proof of causality in many situations

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