Sensation And Perception
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Question 1
Free
Multiple Choice
Which term is more directly associated with perception than sensation?
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Visual
Gustatory
Interpretation
Auditory
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Question 2
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Multiple Choice
Psychophysicists study ____ .
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the physical basis for mental illness
the relationship between the mind and body
how the mind interprets sensory stimuli
how nature interacts with nurture to influence development
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Question 3
Free
Multiple Choice
A psychophysicist would be most interested in which of the following research questions?
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What are the causes of schizophrenia?
What makes the different notes of a musical piece sound different?
What happens in the brain while we are sleeping?
What stages of development best characterize childhood?
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Question 4
Free
Multiple Choice
The absolute threshold is defined as the minimum ____ .
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intensity of a stimulus to be detected 50% of the time
intensity of a stimulus to be detected 100% of the time
change in stimulus intensity to be detected 50% of the time
change in stimulus intensity to be detected 100% of the time
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Question 5
Free
Multiple Choice
Which statement about absolute thresholds is TRUE?
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Absolute thresholds vary according to the person and the situation.
The approximate absolute threshold for vision is a candle seen from 3 miles away on a clear, dark night.
The absolute threshold reflects sensation but not perception.
Absolute thresholds are extremely unpredictable for any sense other than vision or hearing.
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Question 6
Multiple Choice
What is the approximate absolute threshold for taste?
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One teaspoon of sugar dissolved in two cups of water
Two teaspoons of salt dissolved in one gallon of water
One teaspoon of sugar dissolved in two gallons of water
One drop of perfume dissolved in two gallons of water
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Question 7
Multiple Choice
The absolute threshold tends to ____ .
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be the same for everybody
vary from person to person
vary more from time to time than from person to person
be quite a bit different for males than for females
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Question 8
Multiple Choice
Weber's law is most closely associated with ____ .
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sensory deprivation
the just noticeable difference
the absolute threshold
sensory reduction
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Question 9
Multiple Choice
Weber's law says that the amount of change in a stimulus that is necessary to produce a just noticeable difference ______ .
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is constant for all senses
varies according to the age of the subject
depends on the intensity at which the stimulus was first presented
is inversely related to the duration of the stimulus
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Question 10
Multiple Choice
Dr. Lau is doing an experiment in which he wishes to determine the lowest concentration of salt that customers will be able to taste in a new soup product. In this experiment, Dr. Lau is interested in measuring the customer's ____ .
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top-down perceptual processing
difference threshold
absolute threshold for taste
just noticeable difference for salt
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Question 11
Multiple Choice
The Zena perfume company wants to improve their top-selling fragrance, Rosy, by making it smell even rosier. They hire Dr. Franks to determine the minimum amount of rose oil that they will have to add to the formula to ensure that customers will be able to tell a difference in the improved fragrance. The Zena company wants Dr. Franks to find the customer's ____ .
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absolute threshold
perceptual inconsistency
just noticeable difference
subliminal perception
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Question 12
Multiple Choice
According to Weber's law, we should be best able to notice an additional teaspoon of salt in our soup when the soup originally ____ .
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was very salty
was moderately salty
was slightly salty
had no salt in it
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Question 13
Multiple Choice
Researchers at the Smell Good Company want to make their home air freshener smell even better to customers. What principle will the researchers use to determine the amount of additional fragrance needed for customers to just notice the improvement?
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Helmholtz's place theory
Perceptual inconsistency
Weber's law
Duplicity theory
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Question 14
Multiple Choice
In the 1950s, James Vicary reported that he had been able to manipulate sales for popcorn and Coca-Cola by flashing subliminal messages during the showing of a movie in a public theatre. What is the current scientific consensus on the effectiveness of subliminal persuasion?
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When certain criteria are met, subliminal persuasion can occur.
Vicary's study was sound and subliminal persuasion is powerfully effective.
Vicary's study was flawed and subliminal persuasion is a myth.
Subliminal persuasion works with aural but not visual stimuli.
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Question 15
Multiple Choice
If you are exposed to a television advertisement containing subliminal messages, the probability is that ____ .
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the advertisement will be much more persuasive than one without the subliminal messages
you would feel strongly directed to purchase the product, even if you did not especially like the product
if certain factors aligned the advertisement could have more of an effect on you than the same advertisement without subliminal messages
the advertisement would be retained in your unconscious memory longer than an advertisement without subliminal messages
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Question 16
Multiple Choice
Extrasensory perception is also known as ____ .
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psi
jnd
absolute threshold
subliminal sensation
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Question 17
Multiple Choice
Most research on extrasensory perception has shown that it is ____ .
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a strong force needing further study
not supported by scientific investigation
supported as much as it has not been supported
a weak force, but its existence is well supported by research
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Question 18
Multiple Choice
The Ganzfeld procedure is used to determine ____ .
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extrasensory perception (ESP)
subliminal perception
just noticeable difference (jnd)
absolute threshold
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Question 19
Multiple Choice
Qamar is participating in a study on ESP in which he is supposed to telepathically receive one of two images that another participant views on a computer screen. If he performs like most other research participants in other studies, about how well will he do at receiving these images?
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He will likely guess correctly approximately 90% of the time.
He will likely guess correctly approximately 75% of the time.
He will likely guess correctly approximately 50% of the time.
He will likely guess correctly approximately 25% of the time.
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Question 20
Multiple Choice
In 2011, which psychologist reported finding experimental evidence for the existence of ESP, although the work has been characterized as methodologically flawed and incorrectly analyzed?
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Bem
Ganzfeld
Kosslyn
Weber
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