12 Questions
What is the strongest cue for perceptual grouping according to the text?
Containment
Which channel is ranked as the top one for encoding categorical data?
Identity channels
What is the main advantage of encoding categorical data using identity channels according to the text?
Reduced cognitive load
Which perceptual grouping approach is related to placing items within the same spatial region?
Proximity
Among the identity channels, which level of categorical attribute can help perceive items as a group?
Highest level
Which grouping channel ranks as the third strongest according to the text?
Proximity
Which of the following statements about proximity and similarity is correct?
Proximity is like similarity for spatial position from a perceptual point of view.
How can categorical data, such as animal types, be encoded using visual channels?
By using different hue bins (colors) to represent each category.
How does the shape channel need to be used when encoding categorical data?
Shapes that do not form perceptual groupings should be used with care.
What is the potential issue with using motion to encode data?
Multiple levels of motion may overwhelm the user's selective attention.
If a user selects to attend to the blue hue in a visualization, what will they perceive?
They will perceive all objects of the 'wombat' category as a group.
Which of the following statements about perceptual grouping is true?
Perceptual grouping is more effective for spatial channels than other channels.
Explore the concept of perceptual grouping and visual encoding, including the use of link marks and identity channels to encode categorical attributes. Learn about the different cues for grouping objects as well as techniques for conveying that items form a group visually.
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