Answer:
access to collected data be limited to research staff.
Explanation:
Sampling can be defined as a process used by researchers to collect, obtain or select data (objects, observations, or individuals) from a larger statistical population using specific procedures.
Confidentiality refers to the act of sharing an information that is expected to be kept secret, especially between the parties involved. Thus, a confidential information is a secret information that mustn't be shared with the general public.
This ultimately implies that, confidentiality requires that access to collected data be limited to research staff rather than being accessible to other team members or persons who aren't authorized to have access but might be interested in getting the information.
Answer:
<em>Well, Your best answer will be is </em><em>C. Mother with lost infant. </em><em>Because, In the passage it says that she just regained her </em><u><em>long-lost infant.</em></u><em> </em><em>So, She was really sad that she lost her infant. </em><em>Hope That Helps!</em>

<h3>
Answer: The closest -at least formally- I can think of is Argentina.
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It is a Presidentialist federal republic, comprised by autonomous Provinces and a Federal Capital, the Autonomous City of Buenos Aires.
Each province has de jure all the powers not granted to the federal government by the Constitution (if this situation happens de facto I can’t really say), but unlike US states, they don’t have their own militias (I understand each State’s National Guard is a reserve under State control unless federalized)
Explanation:
Answer:
The president was John .f.kennedy
I think it’s b not sure tho