Sample Surveys, Experiments, and Observational Studies
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Objective
I can compare and contrast sample surveys, experiments, and observational studies, and explain how the type of data used impacts the validity of conclusions.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
9 questions
Explain the key differences between an observational study, a survey, and an experiment. Provide an example of each.
A researcher wants to study the effect of a new fertilizer on plant growth. Describe how they could conduct this study using: a) An observational study b) An experiment
Part 3 of 3
Exit ticket
Quick comprehension check
“A researcher wants to determine if a new teaching method improves student test scores. Describe how they could conduct an experiment to investigate this. A city council wants to gauge public opinion on a proposed new park. Would a sample survey, an experiment, or an observational study be most appropriate for this purpose? Explain your choice.”
Sample answer included in the free materials
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