Examlex
In social research,what is the importance of sampling? Why are probability sampling techniques superior to nonprobability sampling in achieving this end?
New and Useful Machine
An invention that offers a novel and functional solution or improvement to a particular problem or need.
Scientific Principle
A fundamental concept or law that guides scientific work and is widely accepted as true based on evidence.
Innovation
The introduction of something new, such as an idea, method, or device.
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Creations by artists, such as paintings, sculptures, music, and literature, often protected by copyright laws.
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