A researcher is going door-to-door to locate elderly individuals to interview for a study on aging. She has been assigned to a specific grid of city blocks. This is an example of what type of sampling technique:
A) Simple random sampling
B) Snowball sampling
C) Quota sampling
D) Purposive sampling

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The Answer of A researcher is going door-to-door to locate elderly individuals to interview for a study on aging. She has been assigned to a specific grid of city blocks. This is an example of what type of sampling technique:
A) Simple random sampling
B) Snowball sampling
C) Quota sampling
D) Purposive sampling

A Researcher Is Going Door-To-Door to Locate Elderly Individuals to Interview