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Essential Factors
InterSafe uses this powerful and effective incident investigation model:
- For incidents resulting in Minor & Temporary Damage
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To conduct external, independent investigations
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To facilitate on-site investigation teams
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To train your people (1 DAY COURSE)
How is the Essential Factors approach different to other models?
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ESSENTIAL FACTORS |
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CAUSE & EFFECT |
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The InterSafe Approach |
Other Models |
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100% / 100% / 100% paradigm:
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80% / 20% paradigm:
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Clear process of description and analysis |
Tends to blur line between description and analysis |
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Focuses on what “is” & What “is not” |
Focuses on “causes” & “effects” |
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Lists "essential" and "contributory" factors |
Lists "causes" of accident |
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Lists all observations and does not make value judgement of “rightness” or “wrongness” of what was observed |
Can require “value” judgement of cause / root cause before information is recorded e.g. list unsafe conditions |
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All essential factors are of equal significance with respect to incident outcome |
Factors are not considered equal with respect to causation |
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Factors are considered different with respect to controllability |
Ranks causes without a clear definition of “Cause”. Is cause the most easily recognised factor? …the most easily corrected factor? Etc. |
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Change for the future |
Blame for the past |
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Describes what people did / did not do |
Lists cause / root cause / prime cause |
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Describes what features of equipment / environment were present / absent |
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Model is ERGONOMIC – interaction of people with equipment in an environment |
Has EGOCENTRIC bias – unsafe acts/behaviours |
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Strong scientific base using well established concepts of hypothesis forming and modelling |
Less scientific and often does not reflect the significance of hypothesis forming and modelling |