Data Visualization DSCI 5360 UPDATED
QUESTIONS AND CORRECT ANSWERS
In the language of data visualization, an idiom is __________. - CORRECT
ANSWER a.) a verbal analysis of big data
b.) a tool that serves well for one task but is poorly suited for another
c.) a distinct approach to creating and manipulating visual representations
d.) the amount of information density in a single image
Answer: c
Visualization is appropriate when _________. - CORRECT ANSWER a.) we seek to
analyze large datasets
b.) we want to augment human capabilities
c.) problems are ill defined
d.) All of the above
d
The magical number seven, plus or minus two refers to __________. - CORRECT
ANSWER a.) The minimum number of idioms that should be considered for a given
visualization
b.) the optimal number of features in a visualization
c.) The ratio of rods to cones in the human eye
d.) the number of items that can be held in the average human's working memory
d
Which of the following is a resource limitation that should be considered when designing a
visualization? - CORRECT ANSWER a.) Computational capacity
, b.) All of the above
c.) Display capacity
d.) Human perceptual and cognitive capacity
b
Two identical adjacent rooms each have a light bulb operating at a brightness of 300 lumens.
The bulb in one of the rooms is now replaced by a bulb with a higher brightness. What is the
minimum brightness (in lumens) needed such that a user will notice the increased brightness
as compared to the adjacent room (which is still at 300 lumens). - CORRECT
ANSWER a.) 310
b.) 305
c.) 303.33
d.) 311.3
b
__________ are rapid eye movements to can a target during fixation. - CORRECT
ANSWER a.) saccadic movements
b.) vergence movements
c.) fovea movements
d.) parafovea movements
a
When evaluating information presented in given visualization, which of the following would
likely be associated with the largest error by the observer? - CORRECT ANSWER a.)
Length
b.) Color hue
c.) Position
d.) Volume
QUESTIONS AND CORRECT ANSWERS
In the language of data visualization, an idiom is __________. - CORRECT
ANSWER a.) a verbal analysis of big data
b.) a tool that serves well for one task but is poorly suited for another
c.) a distinct approach to creating and manipulating visual representations
d.) the amount of information density in a single image
Answer: c
Visualization is appropriate when _________. - CORRECT ANSWER a.) we seek to
analyze large datasets
b.) we want to augment human capabilities
c.) problems are ill defined
d.) All of the above
d
The magical number seven, plus or minus two refers to __________. - CORRECT
ANSWER a.) The minimum number of idioms that should be considered for a given
visualization
b.) the optimal number of features in a visualization
c.) The ratio of rods to cones in the human eye
d.) the number of items that can be held in the average human's working memory
d
Which of the following is a resource limitation that should be considered when designing a
visualization? - CORRECT ANSWER a.) Computational capacity
, b.) All of the above
c.) Display capacity
d.) Human perceptual and cognitive capacity
b
Two identical adjacent rooms each have a light bulb operating at a brightness of 300 lumens.
The bulb in one of the rooms is now replaced by a bulb with a higher brightness. What is the
minimum brightness (in lumens) needed such that a user will notice the increased brightness
as compared to the adjacent room (which is still at 300 lumens). - CORRECT
ANSWER a.) 310
b.) 305
c.) 303.33
d.) 311.3
b
__________ are rapid eye movements to can a target during fixation. - CORRECT
ANSWER a.) saccadic movements
b.) vergence movements
c.) fovea movements
d.) parafovea movements
a
When evaluating information presented in given visualization, which of the following would
likely be associated with the largest error by the observer? - CORRECT ANSWER a.)
Length
b.) Color hue
c.) Position
d.) Volume
