T1.2 Psychological Factors

What methods are there for collecting Psychological factor data?

1. Observation 2. Surveys & Interviews 3. Standardized Testing 4. Case Studies

What are examples of a breakdown with the Human information processing systems?

Age, skills level, disability, infirmity or frailty

What is Alertness?

Awareness of what is happening in the vicinity, in order to understand how information, events, and one's own actions will impact goals and objectives, both immediately and in the near future.

What is an Ordinal Data Scale?

Deals with the order or position of items. Words, letters, symbols or numbers arranged in a hierarchical order.

What is a Ratio data scale?

Give order and the exact value between units. They also have an absolute zero-which allows for a wide range of both descriptive and inferential statistics to be applied. .

When referring to the Human Information processing System, which are Psychological Factors?

Input > sensory > central

What is the Human Information Processing Systems?

Input > sensory > central > motor > output

If you were collecting data to compare the rate at which cars reached certain speeds, what scale would you use?

Interval Data Scale

What environmental factors can play a role in maximizing work environmental to optimise workplace performance?

Lighting Thermal comfort Working space Noise (above 85 decibels) Vibration

What Factors can be considered in order to maximise a workplace?

Management Physical environment Equipment design The work/job itself Social and psychological environment The worker

What are examples of Environmental factors?

Noise, lighting, temperature, humidity, vibration, vision, general comfort and health.

If you were collecting data about car models, what scale would be used?

Nominal Data Scale

If you were collecting data to rank the comfort of car seats, what scale would be used?

Ordinal Data Scale

What is a Interval data scale?

Organised into even divisions or intervals. The intervals are of equal size.

If you were collecting data about fuel efficiency in cars, what scale would be used?

Ratio Data Scale

What is a Human error?

Slips and mistakes. Slips result from automatic behaviour, when subconscious actions that are intended to satisfy our goals get waylaid en route. Mistakes result from conscious deliberations.

What are examples of Psychological factors?

Smell, Light, Sound, Taste, Texture, Temperature, Value

What are some perception effects in products?

The human mind considers objects in their entirety before the perception of their individual parts; suggesting the whole is seen rather than the sum of its parts.

What is a Nominal Data Scale?

Used in classification or division of objects into discrete groups. Each of which is identified with a name. The scale does not provide any measurement within or between the categories

What is Cognitive psychology / cognitive ergonomics concerned with?

mental processes, such as perception, memory, reasoning, and motor response as they affect interactions among humans and other elements of a system.

When referring to the Human Information processing System, which are Physiological Factors?

motor > output