In Two-Stage Cluster Sampling, Random Selection Is Done

question 48

Multiple Choice

In two-stage cluster sampling, random selection is done:

• A) In the first stage only
• B) In the second stage only
• C) In the first and second stages
• D) In neither stage

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Definitions:

Night Terrors

Intense episodes of panic and fear that occur during sleep, typically in children, characterized by screaming, thrashing, and a sense of terror.

Stage 4

This term is too vague without context; in various models, it could refer to different levels or phases of development, illness, sleep, etc.

Sleep Stage

A period during sleep characterized by specific brain activity patterns and physiological changes.

Non-REM Sleep

A state of sleep that includes all sleep stages except for REM (rapid eye movement) sleep, characterized by slower brain waves and reduced brain activity.