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CSE440: Human Performance in User Interaction

13 Questions

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CSE440: Human Performance in User Interaction

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Questions and Answers

What is the purpose of creating models in the context of human performance?

To capture essential components and allow a closer look (correct)

To overfit the model for better predictions

To measure human performance accurately

To predict human behavior with 100% accuracy

Which approach is fundamentally an inductive process for creating models of human performance?

Deductive reasoning

High-level abstraction

Observation, data collection, pattern finding, model devising (correct)

Model testing and revisions

What does the Visual System Model describe in the context of human performance?

Capturing essential components for model creation

Interaction between the brain and the human processor

Processing of light by the brain

The passage of light through the lens, focusing on the retina, and processing by the brain (correct)

According to Fitts’s Law, what does a better model lead to?

More accurate predictions Signup and view all the answers

What is a key feature of a good model of human performance?

Avoiding underfitting or overfitting the model Signup and view all the answers

What is the main function of the Human Processor model in human performance studies?

Isolating essential components and allowing a closer look at human processing Signup and view all the answers

Which light-sensitive receptors are primarily responsible for night vision and perceiving movement?

Rods Signup and view all the answers

What is the main function of cones in the retina?

Sensing color Signup and view all the answers

Why are blue edges and shapes hard to detect according to the text?

Because of the absence of blue cones in the retina center Signup and view all the answers

What is the main reason for reduced sensitivity to blue as mentioned in the text?

Age-related yellowing of the lens Signup and view all the answers

Which photopigment type is sensitive to a different band of the spectrum?

Blue Signup and view all the answers

What is the ratio used to calculate continuous perception of color based on neural activity stimulation?

Y = 0.3 Red + 0.59 Green + 0.11 Blue Signup and view all the answers

What does the aging of the lens result in with regard to color sensitivity?

Reduced sensitivity to blue light Signup and view all the answers