Color deficiency is most common with red and green with red and blue with green
ID: 50828 • Letter: C
Question
Color deficiency is most common
with red and green
with red and blue
with green and blue
with mauve and magenta
Which best defines the perception of constancy of shape?
Watching a door swing open, you perceive the door remains a rectangle despite the fact that you can only see the edge of the door when it is fully opened.
As you approach a tree, you perceive that you are getting closer to the tree rather than the tree is growing rapidly.
You perceive your room as being brightly lit after entering at night, but during the day the room seems dimly lit.
You perceive a change in hue when comparing a sign against light and dark backgrounds.
Which best defines the perception of lightness?
Watching a door swing open, you perceive the door remains a rectangle despite the fact that you can only see the edge of the door when it is fully opened.
As you approach a tree, you perceive that you are getting closer to the tree rather than the tree is growing rapidly.
You perceive your room as being brightly lit after entering at night, but during the day the room seems dimly lit.
You perceive a change in hue when comparing a sign against light and dark backgrounds.
The perception of depth due to muscle movement required to shape the lens and bring the image into focus.
Accommodation
Binocular disparity
Binocular convergence
Stereopsis
Which of the following improve the ability to visually search?
Increase the search area
Decrease the search area
Increase the number of distracters
Decrease the number of distracters
Increase the size difference between target and distracters
Decrease the size difference between target and distracters
Increase the similarity between the target and distracters
Decrease the similarity between the target and distracters
Provide training
On average, vigilance performance decreases after
5 minutes
20 minutes
1 hour
8 hours
with red and green
with red and blue
with green and blue
with mauve and magenta
Explanation / Answer
1. a.) Colour deficiency is most common with red and green. A colour blind person faces difficulty in distinguishing between red and green colour.
2. a) We perceive the constant shape of the door (Rectangle) even though the viewing angle changes.
3. c) This best explains the perception of lightness
4. a) Accomodation