Human Factorss

Question 1

Limitations

Answer 1

Physical
Perception: Auditory, visual etc
Cognitive: Attention, memory

Question 2

Tasks

Answer 2

Frequent (automatic)
Infrequent (require attention)

Question 3

Usability

Answer 3

Effectiveness, Efficiency, User Satisfaction

Question 3

Primary, Secondary Task

Answer 3

Primary: What people are trained for/ what they want
Secondary: Obstacles/ Distractions in the way of fullfilling main task

Question 4

Friction

Answer 4

Cause by interrupting primary task => avoid
Leads to Circumvention if friction is to high

Question 5

Workload measuring

Answer 5

Analyical: KMS-GOMS: break down task and analyze workload
Empirical: NASA-TLX: Ask user to complete task and rate effort

Question 6

Conditions that hinder tasks:

Answer 6

Lighting, Noise, Temperature, Pollution, Acceptability sensor, Social context

Question 7

Types of Errors

Answer 7

Active: Error and violations
Latent: Workspace organisational conditions

Question 8

System 2, System 1

Answer 8

System 1: Automatic, behavior (90%)
System 2: Conscious, attention heave, slow (10%)

Question 9

Types of illusion

Answer 9

Superiority: I am better than other people
Invulnerability: Wont happen to me
Futility: If its your turn its your turn
Control: I can handle it

Question 10

Triggers of Error:

Answer 10

Human factors: human limits, Habits, assumptions, stress, illusions
Individual: skill diff, attitude, fatigue, personal problems worries
Task demands: High workload, Time pressure, Multiple tasks, Monotonous work/boredom, Unclear rules, Unclear goals and roles (responsibility)
Work environment: Poor equipment, change in routine, unclearness display, interruptions