Deck 12: Incident Investigation

Question 1

Why can witnesses' recall become distorted if investigation is not begun in a timely manner?

A)There are changes at the incident site.
B)There is removal of important evidence.
C)They may suffer memory loss.
D)They discuss the incident with others.

Answer 1

They discuss the incident with others.

Question 2

What piece of information is found on both the long and short supervisor report?

A)type of injury
B)type of accident
C)suggested corrective action
D)sketch/diagram of accident scene

Answer 2

suggested corrective action

Question 3

Which of the following personnel would NOT be responsible for incident investigation?

A)supervisor
B)technical adviser and specialist
C)front-line employee
D)safety and health committee

Answer 3

front-line employee

Question 4

Which analytic model,used in incident analysis,combines a fault tree with an event tree?

A)the domino theory
B)the bow-tie model
C)the Swiss cheese model
D)the normal incidents theory

Question 5

What incident investigation method can reveal unsafe conditions that may have contributed to the incident but not unsafe acts?

A)interviews
B)simulations
C)re-enactments
D)walkthroughs

Question 6

What different types of falls are considered under incident type classification?

A)fall to same level, fall to lower level, fall to higher level
B)fall on upper body, fall on lower body
C)fall backwards, fall forwards
D)fall vertically, fall horizontally

Question 7

Which set of three factors strongly influences incident investigations?

A)timing, severity, and legal requirements
B)costs, causes, and timing
C)severity, causes, and costs
D)legal requirements, causes, and severity

Question 8

What is the key element in cognitive interviews that elicits more accurate information from eyewitnesses?

A)developing rapport
B)asking probing questions
C)encouraging active participation
D)focusing on the eyewitnesses' mental images

Question 9

Incident investigation is a vital component of an organization's RAC program.What does RAC stand for?

A)recognition, approval, and change
B)requirements, attribution, and control
C)recognition, assessment, and control
D)requirements, approval, and change

Question 10

Who is more likely to experience a cognitive failure?

A)an older worker
B)a young worker
C)a working parent
D)a dissatisfied worker

Question 11

The theory of normal incidents would be more likely to be used in investigating incidents in what type of industry?

A)agriculture
B)oil refineries
C)healthcare
D)light manufacturing

Question 12

As a result of the investigation,it was revealed that Kyle had been suffering from depression for several months.What theory explicitly mentions mental problems?

A)bow-tie analysis
B)Swiss cheese model
C)domino theory
D)theory of normal incidents

Question 13

What is the most important criterion in choosing which computer to use for incident investigation?

A)portability
B)processing speed
C)database capabilities
D)graphical and CAD software

Question 14

The investigator asked Hamish what personal protective equipment he was wearing.What type of factors was the investigator interested in at that moment?

A)human factors
B)cognitive failures
C)situational factors
D)environmental factors

Question 15

Forklift trucks belong to what agent group?

A)tools
B)lifting devices
C)motive power sources
D)materials-handling systems

Question 16

Who generally has primary responsibility for incident investigation?

A)the worker's immediate supervisor
B)a management member of the JHSC
C)an investigator from the Ministry of Labour
D)a technical expert from the industry association

Question 17

Evelyn from HR is doing a walkthrough shortly after an incident in the shipping area and needs to know how the conveyor belt is operated.Whom should she ask?

A)the injured worker
B)the plant manager
C)coworkers of the injured worker
D)the injured worker's supervisor

Question 18

What question should be asked when investigating situational factors contributing to an incident?

A)What shift was being worked?
B)Was the work being performed to standards?
C)Was a supervisor present?
D)Did some unsafe act contribute to the event?

Question 19

Which of the following is an optional procedure in conducting a re-enactment?

A)filming cognitive interviews with witnesses
B)inviting a qualified observer to watch the re-enactment
C)taking photos and/or making sketches and drawings of the scene
D)having witnesses describe what they saw before they act out what happened

Question 20

Besides the supervisor,who else should sign the supervisor's accident/incident report?

A)the senior manager
B)the Ministry of Labour inspector
C)the employee (if/when available)
D)the chair of the Joint Health and Safety Committee

Question 21

Read the following scenario and answer questions 21-25.
On Friday, August 23, 2016, a construction worker fell 55 floors to his death while working on what will become Toronto's tallest condominium building. Despite a variety of safety precautions, this type of incident is not uncommon in the construction industry. Three days earlier, on Tuesday, August 20, 2016, a 26-year-old construction worker in Las Vegas, Nevada also died in a fall from a building under construction.
What is the action that should have been taken by the site manager immediately after the incident?

A)taking photographs of the job site
B)securing and protecting the scene(s)
C)documenting any personal protective equipment in use
D)talking to coworkers who were in the immediate area

Question 22

Compare and contrast the domino theory with the theory of normal incidents.

Question 23

It is recommended that incidents be reported to a workers' compensation board,normally within three days

Question 24

Read the following scenario and answer questions 21-25.
On Friday, August 23, 2016, a construction worker fell 55 floors to his death while working on what will become Toronto's tallest condominium building. Despite a variety of safety precautions, this type of incident is not uncommon in the construction industry. Three days earlier, on Tuesday, August 20, 2016, a 26-year-old construction worker in Las Vegas, Nevada also died in a fall from a building under construction.
According to the textbook,what should coworkers who witnessed the incident be offered prior to being interviewed?

A)legal advice
B)trauma counselling
C)the opportunity to go home to calm down first
D)the opportunity to retrieve tools left at the incident site

Question 25

Read the following scenario and answer questions 21-25.
On Friday, August 23, 2016, a construction worker fell 55 floors to his death while working on what will become Toronto's tallest condominium building. Despite a variety of safety precautions, this type of incident is not uncommon in the construction industry. Three days earlier, on Tuesday, August 20, 2016, a 26-year-old construction worker in Las Vegas, Nevada also died in a fall from a building under construction.
What would be an example of the fourth level of defence from the Swiss cheese model,which might have prevented this fatality?

A)safety training
B)a strong safety culture
C)a safety-conscious supervisor
D)rails along the edge of open floors

Question 26

Read the following scenario and answer questions 21-25.
On Friday, August 23, 2016, a construction worker fell 55 floors to his death while working on what will become Toronto's tallest condominium building. Despite a variety of safety precautions, this type of incident is not uncommon in the construction industry. Three days earlier, on Tuesday, August 20, 2016, a 26-year-old construction worker in Las Vegas, Nevada also died in a fall from a building under construction.
What organization would have the legal right to demand a mandatory investigation into the Toronto worker's death?

A)Ontario Ministry of Labour
B)City of Toronto Building Department
C)Workers Insurance Safety Board (Ontario)
D)the construction firm for whom he worked

Question 27

Both the federal and provincial/territorial levels of government can order an investigation into a workplace incident.

Question 28

Read OH&S Notebook 12.3,Analysis of an Incident,and identify the human,situational,and/or environmental factors that contributed to the incident.

Question 29

Define "incident investigation" and describe the aim and benefits of incident investigations.

Question 30

The theory of normal incidents says that it is one normal incident that goes wrong that is at the heart of most incidents.

Question 31

Incident investigations can start while everyone is waiting for the ambulance to arrive.

Question 32

An investigation is conducted primarily to determine if cognitive failure was to blame and to ensure it doesn't happen again in the future.

Question 33

Explain how timing,severity,and legal requirements strongly influence incident investigations.

Question 34

Describe each of the three types of cognitive failure (human factor)and relate each to relevant incident types listed in the chapter.Provide examples to support your answer.

Question 35

Interviewing the witness on the spot as soon as possible after the event is one of the basic rules of interviewing as an investigative method.

Question 36

If the other members of the injured worker's work group are unharmed and not experiencing emotional distress,they can continue with their work immediately after the incident.

Question 37

Personal factors should be included on the incident investigation form to assist in entry,recordkeeping,and analysis.

Question 38

Read the following scenario and answer questions 21-25.
On Friday, August 23, 2016, a construction worker fell 55 floors to his death while working on what will become Toronto's tallest condominium building. Despite a variety of safety precautions, this type of incident is not uncommon in the construction industry. Three days earlier, on Tuesday, August 20, 2016, a 26-year-old construction worker in Las Vegas, Nevada also died in a fall from a building under construction.
Although possibly not a cause of the Toronto incident,what factor might explain a cognitive failure to reattach a safety tether/harness to a safety hook after moving from one floor to the next floor of a building under construction?

A)uncomfortable equipment
B)a careless attitude toward safety
C)a fight at home that morning
D)hand-eye coordination problems

Question 39

When using re-enactments as an investigative method,filming the witness is prohibited.

Question 40

Incidents that result in minor injuries do not need to be investigated.

Question 41

Using the case at the end of the chapter as your source material,describe the concepts,methods,and personnel you would use to implement and perform an effective investigation of this incident.Use the domino theory or Swiss cheese model as your theoretical foundation to help you classify the causes and determine what can be done to ensure that incidents of this type do not occur in the future.In addition to writing up the foregoing,prepare a Supervisor's Accident/Incident Report (long form),filling in as much information as you can (similar forms to the example in the textbook can be downloaded from the Internet).