A Commonsense Approach to Causation


Chapter One: The Causes of Accidents –
Singularly Common or Multifactorially Unique?

An introduction to Heinrich’s causation theory  11-12
Heinrich’s common cause hypothesis 12-14
Heinrich’s injury severity ratios 15-17
Fact gives way to fiction – the emergence of the management failure school 17-18
An erroneous rejection of Heinrich’s common cause hypothesis 18-22
A general industrial theory of multiple causation – fact or fiction? 22-26
‘All roads lead to Rome’ 26-29
Deliberate acts or management failures?   29-32
Self-supervision 32-33
Interim Summary 34-35



© Paul Difford 2011
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