CSE440: Human Performance Models Lecture 07 Quiz
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Questions and Answers

Which approach is described for creating models?

  • Induce, Deduce, Infer
  • Observe, Draw, Predict
  • Analyze, Interpret, Conclude
  • Collect Data, Test Predictions, Revise (correct)

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

  • To confuse observations
  • To generalize without evidence
  • To overfit the data
  • To isolate components for closer examination (correct)

Why are models of human performance described as an inductive process?

  • Because they involve drawing specific conclusions from broad observations
  • Because they rely on deductive reasoning
  • Because they are based on overfitting data
  • Because they start from specific observations to form broader generalizations (correct)

What is the function of the Human Visual System as described in the text?

<p>To capture light and transmit it to the brain (D)</p> Signup and view all the answers

Based on the text, what would be a consequence if light is not captured by the retina?

<p>Blurry vision (A)</p> Signup and view all the answers

According to Fitts’s Law, what can be predicted based on the model?

<p>Human reaction time in a pointing task (A)</p> Signup and view all the answers

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

<p>Rods (A)</p> Signup and view all the answers

What is the function of the edge of the retina which is dominated by rods?

<p>Detecting motion of threats in the periphery (D)</p> Signup and view all the answers

What is the main disadvantage of lens yellowing with age and absorbing short wavelengths?

<p>Reduced sensitivity to blue light (B)</p> Signup and view all the answers

What does the fixation on a small blue object yield, based on the distribution of photopigments in the retina?

<p>Disappearance of the blue object (D)</p> Signup and view all the answers

What determines the brightness mainly in color perception?

<p>$Y = 0.3 Red + 0.59 Green + 0.11 Blue$ formula (A)</p> Signup and view all the answers

What makes saturated colors require more focusing than desaturated colors?

<p>Different wavelengths of light focused at different distances behind eye’s lens (A)</p> Signup and view all the answers

How are edges and shapes detected in vision?

<p>$Y = 0.3 Red + 0.59 Green + 0.11 Blue$ formula (B), $Y = 0.3 Red + 0.59 Green + 0.11 Blue$ formula (C)</p> Signup and view all the answers

What is the main implication regarding the detection of blue edges and shapes?

<p>$64%$ distribution of red photopigments affects detection (C)</p> Signup and view all the answers

What is the effect of constant refocusing on saturated colors?

<p>$64%$ distribution of red photopigments causes fatigue (B)</p> Signup and view all the answers

What is the main disadvantage of insensitivity to short wavelengths in vision?

<p>$64%$ distribution of red photopigments is compromised (D)</p> Signup and view all the answers

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