Midterm 1

Question 1

Analytics

Answer 1

Information collection, integration, and analysis

Question 2

Modern Buisness Analytics

Answer 2

Data-Driven, Math heavy, computerized

Question 3

SciVis

Answer 3

Scientific Visualization

Question 4

InfoVis

Answer 4

Information Visualization

Question 5

VAST

Answer 5

Visual analytics science and technology

Question 6

Which data type falls under visualizations

Answer 6

Homogenous data type/ well-structured data

Question 7

Which data type falls under visual analytics

Answer 7

Heterogenous data types/ messy data

Question 8

Purpose of visualizations

Answer 8

Specific tasks related to the understanding of data

Question 9

Purpose of visual analytics

Answer 9

focuses on gaining insights by combining the understanding of data from different perspectives

Question 10

Cognition

Answer 10

Memory, reasoning, encoding

Question 11

External cognition

Answer 11

external artifacts that help/amplify cognition

Question 12

Benefits of Interactive Visualization

Answer 12

1. Less effort
2. Enhanced recognition
3. Shifting level of cognition
4. More resources

Question 13

1 Dimensional data types

Answer 13

List, menu items

Question 14

2 dimensional data types

Answer 14

table, spread sheet

Question 15

3 dimensional data ttpes

Answer 15

3D Models

Question 16

Multi-dimensional data types

Answer 16

User profiles

Question 17

Temporal data type

Answer 17

stock price

Question 18

tree data type

Answer 18

documents on a flash drive

Question 19

network data type

Answer 19

facebook friends

Question 20

text data type

Answer 20

online document

Question 21

categorical data types

Answer 21

gender, race, eye color

Question 22

Eye

Answer 22

a sensor to capture external stimuli

Question 23

Brain

Answer 23

A machine to store and process capture information

Question 24

True or false the brain has limited cognitive capacities

Answer 24

True

Question 25

Visual Illusion

Answer 25

The result of interpretations of the retina image by our brain influenced by prior knowledge and experience

Question 26

Visual Perception

Answer 26

Based on sampled visual information

Question 27

How do we decide what to "see"?

Answer 27

Task relevance, decision making process is optimized and hardwired in our brain

Question 28

Visual Search

Answer 28

Hardwired or learned interpretation of visual images

Question 29

What is our brain better at noticing, differences in luminance of absolute value of luminance?

Answer 29

Difference in luminance

Question 30

Consequences in Visualization

Answer 30

Errors in reading quantitative measures reflected in images, sensitive to object rendering, edge enhancement

Question 31

True or False: Color can be affected by surrounding colors

Answer 31

True

Question 32

Opponent Process Theory

Answer 32

Information from different types of sensors is processed to deliver perceived color and luminance

Question 33

What two types of photoreceptors are on the retina?

Answer 33

Cone and Rods

Question 34

Three type of Cone Receptors

Answer 34

short, middle, and long wavelength

Question 35

True or False: Black and White is the easiest for people

Answer 35

True

Question 36

True or false: background colors should be less saturated

Answer 36

True

Question 37

True or false: Small areas of interest should be highly saturated color

Answer 37

True

Question 38

Four Color Theorem

Answer 38

Try to use only four unique colors

Question 39

What are the four unique hues?

Answer 39

Red Green Yellow Blue

Question 40

What are the six basic colors?

Answer 40

Black White Red Green Yellow Blue

Question 41

Color Keys

Answer 41

Ordering colors according to their luminance

Question 42

True or false: Color cannot change meaning depending on the culture

Answer 42

false

Question 43

Visual Perception

Answer 43

Based on sampled visual information on a need-to-know basis

Question 44

Example of physical action in optimization of resource allocation

Answer 44

Head movement

Question 45

Example of cognitive action in optimization of resource allocation

Answer 45

Relying on working memory to retain visual images

Question 46

what is the brain better at catching changes in luminance or absolute value of luminance?

Answer 46

changes in luminance

Question 47

Pop-out effect

Answer 47

quick, eye-catching

Question 48

What are the prominent pop-out channels?

Answer 48

- Form (orientation/size) – Color – Simple motion/blinking – Spatial, stereo depth, shading, position

Question 49

Pop-out Conjunctions

Answer 49

– Color and motion – Color and position – Shape and position

Question 50

Visibility enhancement should always be...

Answer 50

Asymmetric

Question 51

Gestalt Laws

Answer 51

- Proximity – Similarity – Continuity – Symmetry – Closure – Relative Size – Figure and Ground

Question 52

What are the spatial perception types of cues?

Answer 52

pictorial Cues, Non-pictorial Cues

Question 53

Occlusion

Answer 53

Objects closer to us occlude those farther away.

Question 54

Aerial haze

Answer 54

Distant objects are blurrier.

Question 55

Motion Parallax

Answer 55

Different retina images due to the movement of the viewpoint.

Question 56

Binocular disparity

Answer 56

Different retina images on left and right eyes.