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Lesson Plan

Recognize how randomization is used in the design of an observational study by anticipating and planning for confounding variables

teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3
teaches Common Core State Standards CCSS.Math.Practice.MP6 http://corestandards.org/Math/Practice/MP6
teaches Common Core State Standards CCSS.Math.Content.HSS-IC.B.3 http://corestandards.org/Math/Content/HSS/IC/B/3
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Big Ideas: Randomization in an observational study that can reduce bias. Building on students prior work with random selection, this lesson focuses on the design of an observational study and the use of randomization to account for the variables that could influence the results. Vocabulary: observational study, observer influence, confounding variable Special Materials: Document "Map of Downtown"
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