Security Supervision and Management Theory and Practice of

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Security Supervision and Management Theory and Practice of Asset Protection, 4 th Edition Book

Security Supervision and Management Theory and Practice of Asset Protection, 4 th Edition Book Cover Here Chapter #5 Theories of Accident Causation Copyright © 2015, Elsevier Inc. All rights Reserved 1

Heinrich’s Domino Theory n Five stages 1. 2. 3. 4. 5. Social environment and

Heinrich’s Domino Theory n Five stages 1. 2. 3. 4. 5. Social environment and ancestry Faults of a person Unsafe act or condition Accident Injury Copyright © 2015, Elsevier Inc. All rights Reserved 2

Ferrell’s Human Factor Model n Theory identifies three main causes Overload n Incompatibility n

Ferrell’s Human Factor Model n Theory identifies three main causes Overload n Incompatibility n Improper activity n Copyright © 2015, Elsevier Inc. All rights Reserved 3

Petersen’s Accident/Incident Model n n Similar to Ferrell’s Human Factor Model Ergonomic traps Separates

Petersen’s Accident/Incident Model n n Similar to Ferrell’s Human Factor Model Ergonomic traps Separates the decision to err from the overload cause Reasons to choose to err n n n logical decision due to the situation an unconscious desire to err perceived low probability of an accident occurring Copyright © 2015, Elsevier Inc. All rights Reserved 4

Systems Models n n A system model view sees a harmony between man, machine,

Systems Models n n A system model view sees a harmony between man, machine, and environment Risk-taking Copyright © 2015, Elsevier Inc. All rights Reserved 5

Reason’s Swiss Cheese Model Every step in a process has the potential for failure

Reason’s Swiss Cheese Model Every step in a process has the potential for failure n Holes in the layers of defense n Two types of failure n Active n Latent n Copyright © 2015, Elsevier Inc. All rights Reserved 6

The Integration of Theories and General Safety Program Implications All theories are incomplete n

The Integration of Theories and General Safety Program Implications All theories are incomplete n Only explain a portion of accidents n True accident prevention can only occur when all possible causes are addressed n Copyright © 2015, Elsevier Inc. All rights Reserved 7

Emerging Trends Fines by the Occupational Safety and Health Administration (OSHA) have been increased

Emerging Trends Fines by the Occupational Safety and Health Administration (OSHA) have been increased n More states are legislating safety standards n Copyright © 2015, Elsevier Inc. All rights Reserved 8