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Stratified sampling is preferred over cluster sampling when it is difficult or costly to develop a complete list of the population members.
Vanuatu
An island nation located in the South Pacific Ocean, known for its volcanic origins, beautiful reefs, and unique Melanesian culture.
South Africa
A country located at the southern tip of the African continent, known for its diverse culture, languages, and geographic landscapes.
Media Literacy
The ability to access, analyze, evaluate, and create media in a variety of forms, understanding its messages and implications.
School-based Programs
Educational and developmental initiatives implemented within a school setting to enhance student learning, social skills, and well-being.
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