detect when the speaker’s voice changed from male to female
B.
identify any phrase associated with the unattended information
C.
detect when the unattended language was changed to German
D.
notice specific changes when the unattended speech was played backward
Answer: C. detect when an unattended language was changed to German.
The cocktail party effect refers to ability of a person to focus on a single speaker or conservation in a noise prone area. This mainly reflects listening ability of the person in a noisy environment. If a listener hears unattended language for a particular time along with noise.The listener may loose interest in listening and he will not show alertness when language changes to German which could be known language to listener.
In experiments testing the cocktail party effect, most participants were only able to detect when the speaker’s voice changed from male to female, illustrating the selective nature of our auditory perception.
The cocktail party effect is a psychological phenomenon where one can focus their auditory attention on a specific source while filtering out other background noises. This effect is named after a scenario of a cocktail party where one can focus on a single conversation in a noisy room. In experiments testing this effect, most participants were able to do one specific thing from the options given: that is, option A. detect when the speaker’s voice changed from male to female.
Participants found it hard to perform all the other tasks given. This is because the 'unattended' information in the auditory scene was not being processed to the point where the participants could identify phrases (option B), notice language changes (option C), or detect specific changes when the speech was played backward (option D). This highlights the selective nature of our auditory perception.
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3.As hydrilla is aquatic in nature, the roots do not have to search for water, and there is no need for xylem to absorb water because the plant is surrounded by water.
Answer:
B
Explanation:
aquarium plant, and is now found growing in
many lakes in New York State. It has few
natural enemies, and grows rapidly, crowding
out many native species. This plant ruins fishing
areas and interferes with boating and other
water sports. This is an example of
(1) human consumption of finite resources
(2) an unintended consequence of adding an
organism to an ecosystem
(3) an abiotic factor having a negative effect on
an ecosystem
(4) the introduction of a species that has
increased the long-term biodiversity of an
ecosystem
Answer:
it would be (2) or B
Explanation:
Because if the plant is commonly sold as aquarium plants then they could have had an unintended consequence of adding an organism to an ecosystem.