ERGO 02 Finals

GESTALT DICTUM

The whole is greater than the sum of its part

Figure - ground differentiation

It means that the figure is appear to stand out

Figure has _____ and background is _____

Form and formless

1. Common region

2. Proximity

3. Horizontal Proximity

4. Simmilarity

5. Symmetry

6. Continuity

7. Closure

8. Visual Apprehension limit

8 perceptual prinple for use display design

Colour

People have a strong tendency to perceive similar _____

1. Can reduce error

2. Seems more natural

3. Speed reaction

4. Add another dimesion

1. Can cause fatigue

2. Confusion

3. Can cause error

4. Can cause after image

Advantage and disadvantage of colour

True

Good mapping between display layout and system function can increase the visual scanning

True or False

Synthetic Speech

It is generated using a set of rules

True

Effective auditory must be heard from above

True or false

Auditory Warning and Cue

Must be heard above the background

Wolgalter and Young

They investigate the behavioral compliance of voice

Voice

This means if getting an attention and coveys information

Earcon

Representational Warning & Display other term

Representational Warning & Display

It is base on the analogy of icon

Nomic Icon

It is the most direct and might give tur quickest reaction

1. Vehicle Control

2. keyboard

3. soft keyboard

4. Pointing Device

5. Voice Control

5 kinds of design control

via “grid of “4 loudspeaker

Auditory cue presented spatially via _____ of 4 _____

Nekker Cube

2 dimensional drawing

True

Modulating the intensity of sound from each produce an auditory “image” ?

True or false

Control Dimension

It is determine using appropriate hand and foot

Vehicle Control

Its example are steering wheel, joystick, pedals

Vehicle Control

This control is resistance of the control. it is operatable using force

1. Pressure Control

2. Position Control

2 kind of vehicle control

Isometric Control

Other term for pressure control

Pressure control

This control provide control signal that is immovable

Position Control

Displacement of the control

False

Control dimension should be determine using hand and foot anthrophy

Control dimension is determine by the measurement anthrophy of general body

True or false

McCormick and Sanders

They use dimension to code

QWERTY

It is the most used display terminal on keyboard

QWERTY

This layout overworks the left hand and some of the finger

ALPHABETIC LAYOUT

this is the best known layout which the is arrange alphabetically

DVORAK

Most common letters arranged in middle 3 rows

Soft keyboard

Control that is displayesnon screen

1. FITALY LAYOUT

2. TELEPHONE KEYBOARD LAYOUT

2 types of soft keyboard

FITALY LAYOUT

Design for obe hand input

Telephone Keypad Layout

3 letter per key

Pointing Device

Mouse is commong tool

Voice Control

Has the potential to radically

Voice control

Development of speech recognition technolgoy

Messy signal

Recognition accuracy

Boice button

Problem dace by voice control

Messy Signal

This problem appear when it is mixed with other noises

SHEPHERD

He identified the common problem in control display integration

Breaking the loop problem

When shepherd Identified the commong problem on control and design he called it

Breaking the loop problem

This happen when designer pay inufficient attention to operator

1. Use of geltalt principle

2. Consideration of spatial memory

3. Population streotype

Approaches to control and display integration

Sensor Line

Used as visual cues

Populatiob Streotype

Control that behave in a manner consistent

Population Streotype

If the operator lacks the processing capacity to monitor or the operator may not have strong streotype

Verhagen

Investigate the strength of direction of movement of atreotype

Verhagen

They found that streotype were more strongly established

Virtual Environment

Interactive model of system

KALAWSKY

According to _____ the key usability factor for virtual

1. Functionality

2. Natural Input

3. Display

4. Help

5. Consistency

6. Flexibility

7. Model fidelity

8. Error correction

9. Usability

10. Sense of immersion

the key usability factor for virtual environment factor

CYBERSICKNESS

This is due to discrepancies between optic flow experience in VE

VECTION

Is another cybersickness symptoms that is seem to be exposure

1. Nausea and vomitting

2. Oculomotor disturbance

3. Disorientation ataxia

Example of cyber sickness

HEAD MOUNTED DISPLAY

Display that can be synchronized temporarily

System Lag

May induce sensory conflict

False

Good mapping between display layout and system function can decrease the visual scanning

True or False

1. Function Grouping

2. Physical Grouping

3. Majority Grouping

4. No grouping

4 Interface design group

Human Machine Interaction

It is how an operator interact with an machine in a production

Human Error

It is always embedded in an organozation system of work and is result in accident or injuries

1. Failsafe

2. Failsoft

2 feedback of error

Failsafe

An error that will revert to the state of non-threatening or dangerous act

Failsoft

an error that slowly cease to function

Mosenkis

He review some of the problem associated with medical device

Modes

This called the different state or condition that a system can be in

1. Physiological Measure of mental workload

2. Psychological Measure of mental workload

3. Evaluation of the performance of main task

3 Techniques to measure mental workload

Physiological Measure of mental workload

A mental workload technique that state that an high workload may cause an increase in arousal

1. Galvanic Skin response

2. Heart Rate

3. Electromyography

3 example of Physiological Measure of mental workload