Sampling frames are crucial in research, providing the list from which samples are drawn to represent a population. They must be accurate and encompass the population's diversity to ensure the study's findings are generalizable. The text explores types of sampling frames, their importance, challenges in construction, and the distinction from sampling techniques.
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A sampling frame is a list or database used to select a representative sample from a larger population in research methodology
Sampling frames are essential for ensuring the representativeness and external validity of a study's findings
A well-maintained and accurate sampling frame should include all members of the target population and be free of omissions and extraneous entries
List-based sampling frames use directories or databases, such as census data or telephone directories, to identify potential participants
Area-based sampling frames use geographical units, such as maps or regional listings, to identify potential participants
Creating an accurate sampling frame can be difficult due to issues such as incomplete or outdated data, duplication, and non-response
Sampling techniques involve the actual selection of a subset of individuals from a sampling frame to participate in a study, ensuring each member of the population has an equal chance of being included
Random sampling involves randomly selecting participants from a sampling frame, maintaining the probability of selection for all members and enhancing the sample's representativeness
Non-probability sampling involves selecting participants based on convenience or judgment, potentially leading to biased samples
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For a study on ______ consumption among student-athletes, the sampling frame should include each athlete's name, contact details, and sports participation.
energy drink
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Definition of a sampling frame
A list or database from which a research sample is drawn, representing the entire population.
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Impact of an outdated sampling frame
Leads to biased samples, reducing study's representativeness and validity.
