The popular method used by researchers in usability study is a method called a direct observation
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What is a direct observation?</h3>
A direct observation refers to a method of collecting data where the researcher watches the subject in his or her natural setting.
The direct observation is also called observational study
In conclusion, the popular method used by researchers in usability study is a method called a direct observation
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Well this really depends.. The people had many common characteristics so if you are more spasific then maybe I can give more detail within this utilized question.
Explanation:
The separation technique of benzoic acid from diethyl ether is first the usage of the base and then acid.
As, benzoic acid is soluble in diethyl ether and on adding base, it forms sodium benzoate which is soluble in aqueous layer and thus separates from diethyl ether. Acid is then added to convert sodium benzoate in the aqueous layer back to benzoic acid.
But, in the given question, acid is added first and then base and this went wrong.
Answer:
the owners of the gold mines
Answer:
National service provider (NSP)
Regional service provider (RSP)
Internet service provider (ISP)
Explanation:
National service providers (NSP) are companies that own the internet backbone infrastructure which other second party internet service providers can link to. Examples of NSPs are Orange, Sprint, AT&T etc.
It typically provides fibre optic cables and core routers which the ISPs link to in order to provide internet exchange for the customers.
Regional service provider (RSP) are basically ISPs operating within a region. Unlike ISPs, they cover only defined regions. Examples are New England's NEARNet which provides internet access for residents of New England and the San Francisco Bay area BARNet for San Francisco Bay resident.
Internet service provider (ISP) are the direct link to the customers. Many NSPs also act as ISPs by using routers that can transfer network from the backbone network exchange to the receiving equipment of the end users such as mobile phones, computers etc. Examples of ISPs are AT&T, Comcast and Verizon.
