Examlex
Cluster sampling is limited to situations in which a sampling frame of population units is not readily available.
Reason
The power of the mind to think, understand, and form judgments logically.
Primary Purpose
The main or most important reason for something's existence or for doing something, often driving the design or execution of a process or product.
Negative Messages
Communications that convey refusal, denial, or displeasing information to the recipient.
Refuse A Request
The polite or strategic way of declining someone's plea or requirement.
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