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Artificially introducing a variable that is of interest to the researchers and then observing the consequences is a:
Nutritionist
A health professional who specializes in advising individuals on diets and nutritional plans to maintain or improve health.
Domain Name
The unique name that identifies a website on the internet, serving as its digital address.
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A text field in a web browser that displays the URL of the currently viewed web page; can be used to enter or edit a website's URL.
Browser
A software application used for accessing information on the World Wide Web, such as Google Chrome or Firefox.
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