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Evaluate Random and Convenience Sampling
Grade Level
AP Psychology
AP.017 Evaluate Random and Convenience Sampling
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A district wants teacher feedback about a new grading policy. It surveys teachers who stay after school for an optional grading-policy workshop. Which evaluation of the sampling method is strongest?
A
It is representative because convenience samples always match the population when participants volunteer.
B
It is a random sample but not representative of teachers in the district only because the sample size is less than the population size.
C
It is a random and representative sample of teachers in the district, because the researcher used people who were available.
D
This is convenience sampling, so the results should not be generalized to teachers in the district; workshop attendees are a convenient group and may be more interested in grading policy than other teachers.
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