Distinguish surveys, experiments, and observational studies

Start lessonBegins with Three study types and two randomizations · Slides

Teacher tools for this standard

Lesson Plan · Guided Notes · Exit Ticket · Re-teach · Homework

Lesson Plan →Objectives, pacing and practice, built from this lesson's brief.
Guided Notes →One page your students fill in and keep.
Exit Ticket →Three items at the end of class. No student accounts.
Re-teach →After an exit ticket: who missed what, and what to do tomorrow.
Homework →Assign practice; it grades itself.

HSS.IC.B.3

**HSS.IC.B.3**: Recognize the purposes of and differences among sample surveys, experiments, and observational studies; explain how randomization relates to each.

HSS.IC.B.3: Recognize the purposes of and differences among sample surveys, experiments, and observational studies; explain how randomization relates to each.

What you'll learn

Define and distinguish a sample survey, an observational study, and a randomized experiment by their purpose and structure
Identify the explanatory and response variables and the treatment/control structure in a described study
Explain the two distinct roles of randomization: random selection (for generalizing to a population) and random assignment (for establishing cause and effect)
Explain why an observational study can show association but not causation, using the idea of a confounding (lurking) variable
Given a study scenario, classify it and state what kind of conclusion -- generalization, causation, both, or neither -- it can support

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