Multiple Choice
Joe is the director of middle school science education for the state and is interested in differences between teaching science content in thematic units or by teaching the content in the units as presented in the students' text. He randomly selects classrooms in the state to participate. This best illustrates
A) simple random sampling.
B) systematic sampling.
C) stratified sampling.
D) cluster sampling.
Correct Answer:
Verified
Correct Answer:
Verified
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