PEAR MODEL
by John Benedict
1. ENVIRONMENT
1.1. Physical
1.1.1. Weather
1.1.2. Location outside/inside
1.1.3. Workplace
1.1.4. Shift
1.1.5. Lighting
1.2. Organizational
1.2.1. Personal
1.2.2. Supervision
1.2.3. Labor management relations
1.2.4. Pressures
1.2.5. Crew structure
1.2.6. Size of company
1.2.7. Profitably
1.2.8. Morale
1.2.9. Corporate culture
2. RESOURCES
2.1. Procedures work cards
2.2. Technical manuals
2.3. Other people
2.4. Test equipment
2.5. Tools
2.6. Computers/software
2.7. Paperwork/signoffs
2.8. Ground handling equipment
2.9. Work stands and lifts
2.10. Fixtures
2.11. Materials
2.12. Task lighting
2.13. Training
2.14. Quality systems
3. PEOPLE
3.1. Physical
3.1.1. Physical size
3.1.2. Sex
3.1.3. Age
3.1.4. Strength
3.1.5. Sensory limitations
3.2. Physiological
3.2.1. Workload
3.2.2. Experience
3.2.3. Knowledge
3.2.4. Training
3.2.5. Attitude
3.2.6. Mental or emotional state
3.3. Psycological
3.3.1. Nutritional factors
3.3.2. Health
3.3.3. Lifestyle
3.3.4. Fatigue
3.3.5. Chemical dependancy
3.4. Psycosocial
3.4.1. Interpersonal conflicts