PSYCH 2220 EXAM CH 3 SPATIAL VISION QUESTIONS
WITH ANSWERS A+ ASSUARED SUCCCESS
Multiple Choice
1. During a foggy day, what aspect of visual acuity has been reduced?
a. Spatial frequency
b. Contrast
c. Visual angle
d. Resolution
e. Orientation
Answer: b
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 3. Applying
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
2. The smallest spatial detail that can be resolved at 100% contrast is known as
a. sharpness.
b. spatial
frequency. c.
acuity.
d. visual angle.
e. phase.
Answer: c
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 1. Remembering
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
3. Visual angle is a measure of the
a. actual size of an object.
© 2018 Oxford University Press
, PSYCH 2220 EXAM CH 3 SPATIAL VISION QUESTIONS
WITH ANSWERS A+ ASSUARED SUCCCESS
b. perceived size of an object.
c. angle between the observer and an object.
d. object’s contrast divided by its spatial
frequency. e. size an object takes up on the retina.
Answer: e
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 2. Understanding
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
4. Which manipulation would cause the visual angle of a balloon to increase?
a. Moving the balloon farther away
b. Rotating the
balloon c. Inflating the
balloon
d. Deflating the balloon
e. Inverting the balloon
Answer: c
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 3. Applying
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
5. Eye doctors specify acuity in terms like “20/20,” but vision scientists prefer to
talk about the smallest of a cycle of a grating that one can perceive.
a. sine wave
b. segment
c. visual angle
d. viewing distance
e. width
Answer: c
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 2. Understanding
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
6. If somebody has 20/100 vision, this means
a. they see at 20 feet what a person with normal vision sees at 100 feet.
b. they see at 100 feet what a person with normal vision sees at 20 feet.
c. they see only 20/100 (or 1/5th) as well as a person with normal vision.
d. only 20 out of 100 people have vision as poor as theirs.
e. only 20 out of 100 people have vision better than theirs.
Answer: a
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 3. Applying
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
7. Spatial frequency refers to the
a. flicker rate of a grating.
b. distance between the observer and a grating.
© 2018 Oxford University Press
, PSYCH 2220 EXAM CH 3 SPATIAL VISION QUESTIONS
WITH ANSWERS A+ ASSUARED SUCCCESS
c. amount of contrast in a room.
d. contrast threshold.
e. number of cycles of a grating per unit of visual angle.
Answer: e
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 2. Understanding
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
8. Image a basketball referee’s jersey. The number of black and white stripes on the
front of the shirt could be referred to as the
a. contrast.
b. spatial layout.
c. grating positioning.
d. spatial frequency.
e. visual angle.
Answer: d
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 3. Applying
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
9. The spatial frequency of a stimulus is measured in
a. Snellen units.
b. angles per degree.
c. cycles per second.
d. degrees per
second. e. cycles per
degree. Answer: e
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 2. Understanding
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
10. The function describes how spatial frequency and contrast interact to make
a grating more or less visible.
a. spatial frequency
b. contrast sensitivity
c. spatial layout
d. grating positioning
e. visual angle
Answer: b
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 1. Remembering
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
11. is the smallest amount of contrast required to detect a pattern.
a. Spatial frequency
b. Visual acuity
© 2018 Oxford University Press
WITH ANSWERS A+ ASSUARED SUCCCESS
Multiple Choice
1. During a foggy day, what aspect of visual acuity has been reduced?
a. Spatial frequency
b. Contrast
c. Visual angle
d. Resolution
e. Orientation
Answer: b
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 3. Applying
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
2. The smallest spatial detail that can be resolved at 100% contrast is known as
a. sharpness.
b. spatial
frequency. c.
acuity.
d. visual angle.
e. phase.
Answer: c
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 1. Remembering
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
3. Visual angle is a measure of the
a. actual size of an object.
© 2018 Oxford University Press
, PSYCH 2220 EXAM CH 3 SPATIAL VISION QUESTIONS
WITH ANSWERS A+ ASSUARED SUCCCESS
b. perceived size of an object.
c. angle between the observer and an object.
d. object’s contrast divided by its spatial
frequency. e. size an object takes up on the retina.
Answer: e
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 2. Understanding
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
4. Which manipulation would cause the visual angle of a balloon to increase?
a. Moving the balloon farther away
b. Rotating the
balloon c. Inflating the
balloon
d. Deflating the balloon
e. Inverting the balloon
Answer: c
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 3. Applying
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
5. Eye doctors specify acuity in terms like “20/20,” but vision scientists prefer to
talk about the smallest of a cycle of a grating that one can perceive.
a. sine wave
b. segment
c. visual angle
d. viewing distance
e. width
Answer: c
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 2. Understanding
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
6. If somebody has 20/100 vision, this means
a. they see at 20 feet what a person with normal vision sees at 100 feet.
b. they see at 100 feet what a person with normal vision sees at 20 feet.
c. they see only 20/100 (or 1/5th) as well as a person with normal vision.
d. only 20 out of 100 people have vision as poor as theirs.
e. only 20 out of 100 people have vision better than theirs.
Answer: a
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 3. Applying
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
7. Spatial frequency refers to the
a. flicker rate of a grating.
b. distance between the observer and a grating.
© 2018 Oxford University Press
, PSYCH 2220 EXAM CH 3 SPATIAL VISION QUESTIONS
WITH ANSWERS A+ ASSUARED SUCCCESS
c. amount of contrast in a room.
d. contrast threshold.
e. number of cycles of a grating per unit of visual angle.
Answer: e
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 2. Understanding
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
8. Image a basketball referee’s jersey. The number of black and white stripes on the
front of the shirt could be referred to as the
a. contrast.
b. spatial layout.
c. grating positioning.
d. spatial frequency.
e. visual angle.
Answer: d
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 3. Applying
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
9. The spatial frequency of a stimulus is measured in
a. Snellen units.
b. angles per degree.
c. cycles per second.
d. degrees per
second. e. cycles per
degree. Answer: e
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 2. Understanding
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
10. The function describes how spatial frequency and contrast interact to make
a grating more or less visible.
a. spatial frequency
b. contrast sensitivity
c. spatial layout
d. grating positioning
e. visual angle
Answer: b
Textbook Reference: Visual Acuity: Oh Say, Can You See?
Bloom’s Level: 1. Remembering
Learning Objective: 3.1 Describe the various ways that visual acuity is measured.
11. is the smallest amount of contrast required to detect a pattern.
a. Spatial frequency
b. Visual acuity
© 2018 Oxford University Press