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Sample Surveys

Published: Dec 29th, 2012

Concepts of Sample Surveys Let’s summarize CO-3: Describe the strengths and limitations of designed experiments and observational studies. LO 3.2: Explain how the study design impacts the types of conclusions […]

More About Experiments

More About Experiments

Published: Dec 29th, 2012

Experiments With More Than One Explanatory Variable Modifications to Randomization CO-3: Describe the strengths and limitations of designed experiments and observational studies. LO 3.2: Explain how the study design impacts […]

Causation and Experiments

Causation and Experiments

Published: Dec 29th, 2012

Randomized Controlled Experiments Inclusion of a Control Group Blind and Double-Blind Experiments Pitfalls in Experimentation Let’s summarize what we’ve learned so far CO-3: Describe the strengths and limitations of designed […]

Causation and Observational Studies

Causation and Observational Studies

Published: Dec 29th, 2012

CO-3: Describe the strengths and limitations of designed experiments and observational studies. LO 3.2: Explain how the study design impacts the types of conclusions that can be drawn. Video: Causation and […]

Designing Studies

Designing Studies

Published: Jul 28th, 2012

Introduction Identifying Study Design Experiments vs. Observational Studies CO-3: Describe the strengths and limitations of designed experiments and observational studies. Video: Designing Studies (1:34) Now that we have learned about the first […]