The Art of Measuring Nothing

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Presentation transcript:

The Art of Measuring Nothing Royal Aeronautical Society – Human Factors Group Predicting the fatal flaws 26 November 2015

Agenda Short introduction/background Avinor study Organizational processes model Study results

Eric Arne Lofquist Associate Professor at BI Norwegian Business School –Campus Bergen - Norway Executive Masters program in Health, Safety and Environment (HSE) US Navy Commander (28 years active service) 15 years flying F-14 ”Tomcats” from US Navy Aircraft Carriers (USS Nimitz) Deputy base commander New Orleans Industrial complex Director of consulting – Powersim (System Dynamics)

USS Nimitz CVN-68 4

Safety Literature Most safety literature today is written by a combination of sociologists, psychologists and/or engineers ”each with specific paradigms for understanding certain parts of complex socio-technical systems” (Karlene Roberts, 2001) Engineering and statistical modeling (Engineers) Social science (Sociology and Psychology) Human factors (Psycholgists and engineers) A recurring issue is that there is often no theoretical link to other safety research

«Corporatization of air navigation services in Norway»                                                                             Take-Off 05 project «Corporatization of air navigation services in Norway» (2003-2005)

Academic papers Lofquist, E.A. (2008) Measuring the effects of strategic change on safety in a High Reliability Organization. Doctorial Dissertation. Lofquist, E.A. (2010) The art of measuring nothing: The paradox of measuring safety in a changing civil aviation industry using traditional safety metrics. Safety Science 48 (2010) 1520–1529 Lofquist, E.A., Greve, A., and Olsson, U.H. (2011) Modeling attitudes and perceptions as predictors for changing safety margins during organizational change. Safety Science 49 (2011) 531–541

High Reliability Organizations (HRO)

Personal perspective on safety and HROs 1976 US Navy Flight School – first day ”Look at the person next to you ...” 1976-1978 Seven (7) Classmates killed in training 1978-1979 First operational cruise on USS Nimitz – 14 crashes/14 pilots killed 25 May 1980 USS Nimitz crash and fire This was the birthplace of HRO

Safety theories Man-made disasters (Turner, 1978) Normal Accident Theory (Perrow, 1984) High Reliability Organizations (Rocklin, La Porte, and Roberts, 1987) Organizational accidents (Reason, 1990) Limits to safety (Sagan, 1993) Collective mind and mindfulness (Weick and Roberts, 1993; Weick and Sutcliffe, 2006) Challenger launch decision (Vaughan, 1996) Überlingen (Johnson, 2004) Resilience Engineering (Hollnagel et al., 2006)

Organizational processes model (Lofquist, 2008:2010) Socio-technical system System Design System Operation System Outcomes Proactive Phase Interactive Phase Reactive Phase Organizational Culture Environment Time

Key concepts Socio-technical systems Complexity (bounded rationality) Dynamic-adaptive behavior of systems Gap between routines as imagined/enacted Control- vs. commitment-based systems Rules, regulations, procedures, routines, checklists, etc. Compliance

The role of organizational culture and climate Key concepts (2) The role of organizational culture and climate Trial and error learning Latent failures/conditions Incubation periods Organizational drift/deviance Barriers/operational redundancy Signals

Key concepts (3) Tight vs. loose coupling (with delay) Incidents and accidents (near misses) Undesired events/outcomes Consequence Human error/variation Root causes

Double-loop learning (Argyris & Schön, 1974) Real world signals Single- loop Decisions Information feedback Double- loop Action strategies decision rules Mental models of real world

Organizational «double-loop» learning (Lofquist, 2008:2010) Socio-technical system System Design System Operation System Outcomes Proactive Phase Interactive Phase Reactive Phase Organizational Culture Environment Time

Organizational «double-loop» learning (Lofquist, 2008:2010) Socio-technical system System Design System Operation System Outcomes Proactive Phase Interactive Phase Reactive Phase Organizational Culture Environment Time

Organizational «double-loop» learning (Lofquist, 2008:2010) Socio-technical system System Design System Operation System Outcomes Proactive Phase Interactive Phase Reactive Phase Organizational Culture Environment Time

«Corporatization of air navigation services in Norway»                                                                             Take-Off 05 project «Corporatization of air navigation services in Norway» (2003-2005)

Three year longitudinal study Avinor leadership survey (2002-2005) Safety in Norwegian civil aviation during change processes (2005) 60 Individual semi-structured interviews (2005)

Conceptual causal model Perceptions of Leadership Commitment + + Attitude toward Change Perception of Safety + + Perception of Safety Culture +

Safety Measurement Model Results Perceptions of Leadership Commitment 0.64 0.54 Attitude toward Change Perception of Safety 0.28 -0.02 Perception of Safety Culture 0.25 Total causal effect of 0.72 RMSEA = 0.030

Could the Germanwings flight 18G accident have been avoided?