Examlex
You are part of a parent group formed to determine how your school system can improve students' academic performance. Based on research on academic excellence in Japanese and Taiwanese schools, which of the following suggestions would you make?
Self-Selected Samples
Samples consisting of participants who choose to be part of a study, often leading to bias since the sample may not represent the entire population.
Simple Random Sample
A simple random sample is a subset of a statistical population in which each member has an equal probability of being chosen.
Tupperware Party
A social gathering designed to sell Tupperware products through a direct sales model, typically held in a host's home.
Stratified Random Sample
A sampling method where the population is divided into subsets, known as strata, and a random sample is taken from each stratum.
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