Changing Driver Behavior Through On-board Safety Monitoring
Transcript of Changing Driver Behavior Through On-board Safety Monitoring
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Behavioral Safety Management
Ronald R. KniplingJeffrey S. Hickman
E. Scott Geller
Presentation to the U.S. DOTHuman Factors Coordinating Committee
October 30, 2002
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Topics
1. Safety Management Overview2. Behavior-Based Safety3. Self-Management4. On-Board Safety Monitoring
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Topic 1:Safety Management Overview
TRB Synthesis Report on
Effective Motor Carrier Safety Management Techniques
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TRB Commercial Truck & BusSafety Synthesis Program
(CTBSSP)• New TRB program funded by FMCSA• Managed under TRB Cooperative Research
Programs• Three initial projects selected by panel:
1. CMV Security2. Safety Management3. Highway/Heavy Vehicle Interaction
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Project Rationale
• Management science and safety science are mature disciplines.
• Carrier safety is one of five major FMCSA R&T focus areas.
• Carrier safety management review and synthesis will support FMCSA and industry-based initiatives.
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Information Sources
• FMCSA• TRB panels and committees• Traffic safety organizations• Industry trade associations• Surveys:
– Fleet safety managers– Other experts
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Safety ManagementProblem Areas (“What”)
• Unsafe driving behaviors• HOS violations and fatigue• Operational factors (e.g., scheduling,
dispatching, loading delays)• Driver health & wellness• High-risk drivers (all causes combined)• Vehicle maintenance
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Safety Management Methods (“How”)
• Driver recruiting and selection• Carrier-based training• Management-driver communications• Driver safety performance evaluation• Safety incentives• Behavior-based safety• On-board safety monitoring• Event data recorders
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Safety Management Methods (“How”) (Continued)
• Accident investigation. Improved driver scheduling and dispatching
• Fatigue management programs• Carrier-based medical programs• Preventive maintenance and inspection• Advanced safety technologies• Industry-based safety standards and
certification.
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Project Schedule
• Final report:– Draft due on Dec. 15, 2002.– Final due on March 15, 2003.
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Emerging Themes• Safety management science and
professionalism.• Individual differences/
high-risk drivers.• Behavioral approaches to change.
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Topic 2:Behavior-Based Safety
Portions of this presentation were adapted fromE. Scott Geller’s
The Psychology of Safety Handbook (2001)
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Behavior-Based Safety (BBS)
•Method for changing industrial worker safety behaviors and outcomes
•Combines principles of:-Behavior modification-Quality management-Organization development
•Key elements:-Employee driven-Continuous improvement process-Focuses on changing behavior, not
accident/incidents
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BBS Track Record:
•Implemented at more than 1,000 sites worldwide
•90% of companies adopting BBS continue
•Average 5-year incident/accident reduction: 62%
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Total Safety Culture
ENVIRONMENTENVIRONMENTEquipment, Tools, Machines,
Housekeeping, Climate, Management Systems
BEHAVIORPutting on PPE, Lifting properly, Following procedures,
Locking out power, Cleaning up spills,Sweeping floors, Coaching peers
PERSONPERSONKnowledge, Skills, Abilities,
Intelligence, Motives,Attitude, Personality SAFETYSAFETY
CULTURECULTURE
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Focusing on Behaviors Can Reduce Injuries
At-Risk Behavior
Near Miss
Minor Injury
Serious Injury
Fatality
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The ABC Model Explains Why We Do What We Do
Activators
Consequences
BBehaviorehaviorDirect
Motivate
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The ABC ModelExplains Why People Speed
SpeedingSpeedingBBehaviorehavior
AActivatorsctivatorsGuides or directs Guides or directs the behaviorthe behavior
CConsequencesonsequencesMotivatesMotivatesfuture occurrencesfuture occurrencesof the behaviorof the behavior
LateLate
Open Open road road
Sports Sports car car
Sunny Sunny day day
EmergencyEmergency
No No CopsCops Others areOthers are
SpeedingSpeeding
Police Police car car
Drivers Drivers Education Education
Speed Speed limit signs limit signs
Wear & TearWear & Tear
WreckWreckTicketTicket
PersonalPersonalInjuryInjury
WasteWasteGasGas
SaveSaveTimeTime
Fun!Fun!
PropertyPropertyDamageDamage
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Direction Alone May Not be Sufficient To Maintain Behavior
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Some Consequences AreMore Powerful Than Others
The MOST effective consequences are:• Certain
There’s a high probability you’ll receive the consequence
• Soon The consequence occurs immediately after your behavior
• Significant The consequence is significant or meaningful to you
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Some Consequences Weigh More Than Others
Risky Behavior: You're late and you speed 20 MPH over limitConsequences: Save Time vs. Ticket
Save Time
Ticket
Unce
rtain
Soon
Sign
ifica
nt
Soon
Certa
in
Sign
ifica
nt
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Identifying Problems and Potential Solutions
ABC Analysis helps us understand ABC Analysis helps us understand activators and consequences, and activators and consequences, and how they influence safety behavior.how they influence safety behavior.
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Observation and Feedback Improves Safety-Related Behaviors
• Employees observe one another • Observer follows checklist of
critical safety-related behaviors• Observer provides feedback to the
observee • Observer and observee problem-solve
to identify improvements.
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Observation and Feedback Continued
• Collect and compile observation checklists • Graph collected data• Review resulting information periodically
with all employees • Analyze and discuss results
to identify follow-up actions.
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A Generic BehavioralChecklist Guides Observations
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Percent Safe by Behavioral Category Can be Graphed
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Benefits of Observation and Feedback
• Heightened awareness• Receive recognition• Learn through feedback• Learn through
observation• Builds trust• Employees design and
led
• Increase commitment• Builds trust• Fosters communication• Anonymous and
confidential• Dynamic• Non-directive• Non-punitive
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Topic 3:Self-Management
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Need for Self-Management
• Employees who dislike feedback• Employees with little oversight• Solitary employees• Dangerous situations
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Self-Management
• Individuals change their own behavior in agoal-directed fashion by: – Identifying antecedents and consequences of at-risk
behavior– Goal-setting– Social support– Observing and recording specific target behaviors.– Self-administrating rewards for personal
achievements
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Methods
• Participants--dedicated short-haul truck drivers– Pre-Behavior (n=21)--drivers completed a CBC
before leaving the terminal for the day– Post-Behavior (n=12)--drivers completed a CBC
after returning from their deliveries for the day• Setting--trucking terminals in Eastern U.S.• Instrumentation-TripMaster Data Recorder
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Dependent Variables
• Self-reported driving behaviors-information on actual behaviors (Post-Behavior), or behavioral intentions (Pre-Behavior)– Extreme braking– Speeding
• Participation-frequency of checklists received• Driving behaviors from instrumented vehicles
– Extreme braking– Speeding
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Training• Participants in the Post-Behavior and Pre-Behavior
conditions received one, two-hour training session– Self-report questionnaire– Confidentiality & incentive/reward– Rationale for self-management
• Consequence-focused (Post-behavior)• Activator-focused (Pre-behavior)
– Goal setting using SMART• Self-rewards
– Use of a critical behavior checklist (CBC)• Group exercises
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Reward/Incentive
• Drivers received $1.00 for each completed CBC
• A raffle was be held at the end of the project. The winner was selected from all the completed CBCs. Each winner received $50
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Driving Checklist
Self-Management ChecklistCompleted before starting your shift for the dayDate:_________Driver #________________
_____% of the time I will drive today without Overspeeding (please estimate)#_____of times I will have an Extreme Braking incident today while driving (please estimate)
Comments:_______________________________________________________________________________________________________________________________________________________________________________________________________________________________
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Feedback• At the beginning of each week, each driver received a sealed
envelope with their individual driver number on it.
5.00
7.00
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
Self-Observed Computer
Freq
uenc
y of
Ext
rem
e B
raki
ng In
cide
nts
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Overspeeding
0
1
2
3
4
5
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7
8
9
Consecutive Weeks
Perc
enta
ge o
f Driv
ing
Tim
e O
vers
peed
ing
Post-Behavior
Pre-Behavior
1 2 3 4 5 6 7 8 9 10 11 12
BASELINE INTERVENTION WITHDRAWAL
Mean=2.3% Mean=1.6%
Mean=2.5%
Mean=6.3%
Mean=4.6%
Mean=6.5%
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Extreme Braking
0
2
4
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10
12
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16
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Consecutive Weeks
Mea
n Fr
eque
ncy
of E
xtre
me
Bra
king
Inci
dent
s
Post-BehaviorPre-Behavior
BASELINE INTERVENTION WITHDRAWAL
1 2 3 4 5 6 7 8 9 10 11 12
Mean=1.22 Mean=.44 Mean=.87
Mean=7.3
Mean=3.7
Mean=7.2
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Discussion
• Results suggest the self-management intervention was responsible for behavior change– Not training– Not increased attention towards safety
• Small gains, big wins– Pre-Behavior
• Mean=1,669 total road hours/month– 11.7 less hours speeding/month (140 hours/year)– 16 less extreme braking incidents/month (192/year)
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Discussion con’t
• No long-term behavior change– No self-persuasion
• Not enough time• Incentive
– Extrinsic motivation– Intrinsic motivation
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Topic 4:
On-Board Safety Monitoring:
A Macroergonomicand Behavioral Safety View
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Macroergonomics
• The study of the interface of the human to the job and organization.
• Focus: the job’s “sociotechnical” system and its effect on workers;e.g., motivation, job satisfaction, work culture, safety practices, and behavior.
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On-Board Safety Monitoring
• Goal: refine driver safety performance• OBSM applications include:
– Speed– Acceleration (longitudinal and lateral)– Forward Headway– Alertness (e.g., PERCLOS)– Lane tracking (performance correlate of
alertness) – Sleep (e.g., the actigraph).
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On-Board Safety MonitoringChallenges
• Challenge #1:Achieving driver acceptance
• Challenge #2:Avoiding compensatory risktaking.
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Using OBSM Technologies forPerformance-Based Management
• Develop, validate, refine, and demonstrate technologies.
• Benchmark levels of safe performance.• Implement as part of comprehensive
behavioral safety management program.• Provide financial, social, and regulatory
incentives for meeting benchmarks.• I.e., integrate technology into the job!
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Elements of aMonitoring System
• Measure• Sensor• Algorithm(s)• DVI
– Thresholded?[i.e., a warning]
– Continuous?– Summative?
• Driver training• Other activators
• Consequences– Immediate?– Post-trip?– Career?– Life and health?
• Gov’t regulatory support?
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Performance Enhancement Concept:Eliminate High-Risk Driving,
and Improve All Driving!
SAFE
Generalized ImprovementUnsafe
Extremes
UNSAFE
Increasing Effectiveness