- •Textbook Series
- •Contents
- •1 Basic Concepts
- •The History of Human Performance
- •The Relevance of Human Performance in Aviation
- •ICAO Requirement for the Study of Human Factors
- •The Pilot and Pilot Training
- •Aircraft Accident Statistics
- •Flight Safety
- •The Most Significant Flight Safety Equipment
- •Safety Culture
- •Reason’s Swiss Cheese Model
- •The Five Elements of Safety Culture
- •Flight Safety/Threat and Error Management
- •Threats
- •Errors
- •Undesired Aircraft States
- •Duties of Flight Crew
- •2 The Circulation System
- •Blood Circulation
- •The Blood
- •Composition of the Blood
- •Carriage of Carbon Dioxide
- •The Circulation System
- •What Can Go Wrong
- •System Failures
- •Factors Predisposing to Heart Attack
- •Insufficient Oxygen Carried
- •Carbon Monoxide
- •Smoking
- •Blood Pressure
- •Pressoreceptors and their Function Maintaining Blood Pressure
- •Function
- •Donating Blood and Aircrew
- •Pulmonary Embolism
- •Questions
- •Answers
- •3 Oxygen and Respiration
- •Oxygen Intake
- •Thresholds of Oxygen Requirements Summary
- •Hypoxic Hypoxia
- •Hypoxic Hypoxia Symptoms
- •Stages/Zones of Hypoxia
- •Factors Determining the Severity of and the Susceptibility to Hypoxic Hypoxia
- •Anaemic Hypoxia
- •Time of Useful Consciousness (TUC)
- •Times of Useful Consciousness at Various Altitudes
- •Effective Performance Time (EPT)
- •Hyperventilation
- •Symptoms of Hyperventilation
- •Hypoxia or Hyperventilation?
- •Cabin Pressurization
- •Cabin Decompression
- •Decompression Sickness (DCS)
- •DCS in Flight and Treatment
- •Questions
- •Answers
- •4 The Nervous System, Ear, Hearing and Balance
- •Introduction
- •The Nervous System
- •The Sense Organs
- •Audible Range of the Human Ear and Measurement of Sound
- •Hearing Impairment
- •The Ear and Balance
- •Problems of Balance and Disorientation
- •Somatogyral and Somatogravic Illusions
- •Alcohol and Flying
- •Motion Sickness
- •Coping with Motion Sickness
- •Questions
- •Answers
- •5 The Eye and Vision
- •Function and Structure
- •The Cornea
- •The Iris and Pupil
- •The Lens
- •The Retina
- •The Fovea and Visual Acuity
- •Light and Dark Adaptation
- •Night Vision
- •The Blind Spot
- •Stereopsis (Stereoscopic Vision)
- •Empty Visual Field Myopia
- •High Light Levels
- •Sunglasses
- •Eye Movement
- •Visual Defects
- •Use of Contact Lenses
- •Colour Vision
- •Colour Blindness
- •Vision and Speed
- •Monocular and Binocular Vision
- •Questions
- •Answers
- •6 Flying and Health
- •Flying and Health
- •Acceleration
- •G-forces
- •Effects of Positive G-force on the Human Body
- •Long Duration Negative G
- •Short Duration G-forces
- •Susceptibility and Tolerance to G-forces
- •Summary of G Tolerances
- •Barotrauma
- •Toxic Hazards
- •Body Mass Index (BMI)
- •Obesity
- •Losing Weight
- •Exercise
- •Nutrition and Food Hygiene
- •Fits
- •Faints
- •Alcohol and Alcoholism
- •Alcohol and Flying
- •Drugs and Flying
- •Psychiatric Illnesses
- •Diseases Spread by Animals and Insects
- •Sexually Transmitted Diseases
- •Personal Hygiene
- •Stroboscopic Effect
- •Radiation
- •Common Ailments and Fitness to Fly
- •Drugs and Self-medication
- •Anaesthetics and Analgesics
- •Symptoms in the Air
- •Questions
- •Answers
- •7 Stress
- •An Introduction to Stress
- •The Stress Model
- •Arousal and Performance
- •Stress Reaction and the General Adaption Syndrome (GAS)
- •Stress Factors (Stressors)
- •Physiological Stress Factors
- •External Physiological Factors
- •Internal Physiological Factors
- •Cognitive Stress Factors/Stressors
- •Non-professional Personal Factors/Stressors
- •Stress Table
- •Imaginary Stress (Anxiety)
- •Organizational Stress
- •Stress Effects
- •Coping with Stress
- •Coping with Stress on the Flight Deck
- •Stress Management Away from the Flight Deck
- •Stress Summary
- •Questions
- •Answers
- •Introduction
- •Basic Information Processing
- •Stimuli
- •Receptors and Sensory Memories/Stores
- •Attention
- •Perception
- •Perceived Mental Models
- •Three Dimensional Models
- •Short-term Memory (Working Memory)
- •Long-term Memory
- •Central Decision Maker and Response Selection
- •Motor Programmes (Skills)
- •Human Reliability, Errors and Their Generation
- •The Learning Process
- •Mental Schema
- •Questions
- •Answers
- •9 Behaviour and Motivation
- •An Introduction to Behaviour
- •Categories of Behaviour
- •Evaluating Data
- •Situational Awareness
- •Motivation
- •Questions
- •Answers
- •10 Cognition in Aviation
- •Cognition in Aviation
- •Visual Illusions
- •An Illusion of Movement
- •Other Sources of Illusions
- •Illusions When Taxiing
- •Illusions on Take-off
- •Illusions in the Cruise
- •Approach and Landing
- •Initial Judgement of Appropriate Glideslope
- •Maintenance of the Glideslope
- •Ground Proximity Judgements
- •Protective Measures against Illusions
- •Collision and the Retinal Image
- •Human Performance Cognition in Aviation
- •Special Situations
- •Spatial Orientation in Flight and the “Seat-of-the-pants”
- •Oculogravic and Oculogyral Illusions
- •Questions
- •Answers
- •11 Sleep and Fatigue
- •General
- •Biological Rhythms and Clocks
- •Body Temperature
- •Time of Day and Performance
- •Credit/Debit Systems
- •Measurement and Phases of Sleep
- •Age and Sleep
- •Naps and Microsleeps
- •Shift Work
- •Time Zone Crossing
- •Sleep Planning
- •Sleep Hygiene
- •Sleep and Alcohol
- •Sleep Disorders
- •Drugs and Sleep Management
- •Fatigue
- •Vigilance and Hypovigilance
- •Questions
- •Answers
- •12 Individual Differences and Interpersonal Relationships
- •Introduction
- •Personality
- •Interactive Style
- •The Individual’s Contribution within a Group
- •Cohesion
- •Group Decision Making
- •Improving Group Decision Making
- •Leadership
- •The Authority Gradient and Leadership Styles
- •Interacting with Other Agencies
- •Questions
- •Answers
- •13 Communication and Cooperation
- •Introduction
- •A Simple Communications Model
- •Types of Questions
- •Communications Concepts
- •Good Communications
- •Personal Communications
- •Cockpit Communications
- •Professional Languages
- •Metacommunications
- •Briefings
- •Communications to Achieve Coordination
- •Synchronization
- •Synergy in Joint Actions
- •Barriers to Crew Cooperation and Teamwork
- •Good Team Work
- •Summary
- •Miscommunication
- •Questions
- •Answers
- •14 Man and Machine
- •Introduction
- •The Conceptual Model
- •Software
- •Hardware and Automation
- •Intelligent Flight Decks
- •Colour Displays
- •System Active and Latent Failures/Errors
- •System Tolerance
- •Design-induced Errors
- •Questions
- •Answers
- •15 Decision Making and Risk
- •Introduction
- •The Mechanics of Decision Making
- •Standard Operating Procedures
- •Errors, Sources and Limits in the Decision-making Process
- •Personality Traits and Effective Crew Decision Making
- •Judgement Concept
- •Commitment
- •Questions
- •Answers
- •16 Human Factors Incident Reporting
- •Incident Reporting
- •Aeronautical Information Circulars
- •Staines Trident Accident 1972
- •17 Introduction to Crew Resource Management
- •Introduction
- •Communication
- •Hearing Versus Listening
- •Question Types
- •Methods of Communication
- •Communication Styles
- •Overload
- •Situational Awareness and Mental Models
- •Decision Making
- •Personality
- •Where We Focus Our Attention
- •How We Acquire Information
- •How We Make Decisions
- •How People Live
- •Behaviour
- •Modes of Behaviour
- •Team Skill
- •18 Specimen Questions
- •Answers to Specimen Papers
- •Revision Questions
- •Answers to Revision Questions
- •Specimen Examination Paper
- •Answers to Specimen Examination Paper
- •Explanations to Specimen Examination Paper
- •19 Glossary
- •Glossary of Terms
- •20 Index
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Where are visual and auditory stimuli initially stored? |
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a. |
They are stored in the short-term/working memory for a period of time |
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b. |
They are stored in the short-term memory for a short time |
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c. |
They are stored in the echoic and iconic memory |
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d. |
They are stored in the semantic and episodic memory |
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2. |
How long will the iconic memory store information? |
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a. |
1 - 2 seconds |
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b. |
2 - 3 seconds |
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c. |
0.5 - 1 second |
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d. |
7 seconds ±2 seconds maximum |
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3. |
How long will the Echoic memory store information? |
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2 - 8 seconds |
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b. |
10 - 15 minutes |
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c. |
10 - 20 seconds |
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d. |
Normally up to 15 minutes |
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4. |
In sensory memory/stores there is a separate store for each sensory system. |
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True |
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b. |
False |
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5. |
What is the “cocktail party” effect? |
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The ability to divide attention when surrounded by many different stimuli |
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b. |
The ability to hear, for example, your own name or call sign, whilst |
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concentrating on something else |
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The ability to divide attention when surrounded by a number of stressors |
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d. |
The ability to divide attention when surrounded by noise |
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6. |
On what is our mental model of the world based? |
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Our perception of the environment surrounding us |
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b. |
Our experiences and our sensitivities |
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Our experiences and learning |
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Each of us are different and each models the world individually |
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7. |
Having created a mental model, what is the danger? |
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To only seek information which supports it (confirmation bias) |
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b. |
Other clues outside do not tie up (environmental bias) |
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c. |
We need confirmation (confirmation bias) |
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d. |
We are easily swayed by outside influences (environmental bias) |
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8 Questions
Questions 8
8.How many separate items can be held in the short-term memory?
a.8 ± 2
b.9 ± 2
c.7 ± 2
d.6 ± 2
9.What is the main feature of a fully developed motor programme?
a.Skilled based behaviour not easily explained to other people
b.Skilled based behaviour not requiring conscious thought
c.Skilled based behaviour slowly learned
d.Skilled based behaviour quickly learned
10.What is the relationship between arousal and performance?
a.Performance is increased at high levels of arousal
b.Performance is increased by both low and high arousal levels
c.Performance is degraded by both low and high arousal levels
d.Performance is increased at low levels of arousal
11.Define “episodic” memory:
a.it is the memory of events which are held in the long-term memory and is influenced by experience
b.it is the memory of events which are held in the short-term memory and is influenced by experience
c.it is the memory of events which are held in the long-term memory and is influenced by meaning
d.it is the memory of events which are held in the short-term memory and is influenced by meaning
12.Define “semantic” memory:
a.it is the meaning of words and lasts shorter than episodic memory and is less accurate
b.it is the memory of events which are held in the short-term memory and is influenced by experience
c.it is the meaning of words and lasts longer than episodic memory as well as being more accurate
d.it is the memory of events which are held in the short-term memory and is influenced by meaning
13.Environmental capture is associated with:
a.long-term memory
b.working memory
c.short-term memory
d.motor programmes
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14. |
With reference to human information processing, why is the attention mechanism |
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required? |
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Because the number of stimuli around us are too many |
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Because the stimuli around us all happen at the same time and we need a |
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filter mechanism of some kind |
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Because the capacity of the short-term memory and the rate of information |
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processing are limited |
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Because the brain needs to prioritize |
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15. |
What is qualitative overload? |
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When there are too many responses to be made in the time available |
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When the amount of information is perceived to be beyond the attentional |
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capacity and the task is too difficult |
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c. |
When too many responses are required |
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When responses get transposed due to overload of work |
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16. |
What are the two types of attention? |
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Cognitive and intuitive |
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Intuitive and behavioural |
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Divided and intuitive |
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Selective and divided |
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17. |
Two of the factors affecting long-term memory are: |
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expectation and suggestion |
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repetition and echoism |
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c. |
amnesia and anxiety |
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anxiety and concentration |
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18. |
Generally human error can be split into two categories: |
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faults and static errors |
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b. |
static errors and faults |
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c. |
dynamic and static errors |
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d. |
faults and slips |
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19. |
Information retention can be increased by the use of: |
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study and rote learning |
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instinct |
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c. |
mnemonics and memory training |
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d. |
tertiary education |
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20. |
An experienced pilot reacting to an engine failure is demonstrating? |
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Imitation learning |
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b. |
Operant conditioning learning |
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c. |
Skill learning |
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d. |
Insight learning |
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8 Answers
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