What is the fundamental concept of Gestalt perception?
The human brain chooses the simplest interpretation of a given visual image.
Which Gestalt principle describes the tendency to perceive objects that are closer together as a group?
Proximity
What is the time frame in which visual information processing is considered ‘preattentive’?
Less than 200-250ms
According to the presentation, what is the effect of combining pop-out features, such as color and shape (e.g., a blue square)?
It requires more search time than a single feature.
For which type of data is color hue considered a suitable visual encoding channel?
Nominal (categorical) variables
What are ‘Categorical’ (or nominal) variables in data visualization?
Variables that just have named attributes.
What are ‘Ordinal’ variables in data visualization?
Variables where the possible values have a logical order.
What are ‘Quantitative’ variables in data visualization?
Variables that have a magnitude.
According to the material, which pop-out feature is stronger than shape?
Colour is a stronger pop-out feature than shape.
For which type of variable is ‘Value’ (lightness) a suitable visual encoding?
Value (lightness) is perceived as ordered, making it suitable for encoding ordinal variables.
