APFIVE Sampling Methods and Study Validity
A city planner wants to assess resident satisfaction with public transportation. The population is geographically dispersed across different neighborhoods with varying access to transportation. Which sampling method’s disadvantage would most significantly impact the validity of this study?
A
Stratified random sampling by neighborhood
B
Systematic sampling from a city-wide address database
C
Cluster sampling with only downtown clusters selected
D
Multistage sampling beginning with random neighborhoods
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