Unit 1, Part B
Collecting Data
CED Topics 1.10 - 1.13
1.B.1 - Types of Studies
Key Question: How do we know if vaccines actually work?
Content: Investigative Questions | Observational vs Experimental | Confounding | Generalizability
Alignment: CED Topic 1.10
1.B.2 - Random Sampling
Key Question: What is "middle income" in your city?
Content: Simple, Stratified, Cluster, & Systematic Random Samples | Bias vs Variation
Alignment: CED Topic 1.11
1.B.3 - Bias & Nonrandom Sampling
Key Question: Can data about colleges be misleading?
Content: Sampling Bias (Undercoverage, Nonresponse, Voluntary Response) | Response Bias (Question Wording, Self-Reporting)
Alignment: CED Topic 1.12
1.B.4 - Experimental Design
Key Question: What causes gender gaps in STEM fields?
Content: Extraneous Variables | Principles of Experiments | Placebos & Blinding
Alignment: CED Topic 1.13.A
1.B.5 - Grouping in Experiments
Key Question: Has social media caused declines in mental health?
Content: Completely Randomized, Randomized Block, & Matched Pairs Experiments
Alignment: CED Topic 1.13.B-1.13.D
Quizzes for Unit 1, Part B
Free quizzes, shared securely through AP® Classroom.