Random Selection Versus Random Assignment
Grade 12•45 minutes
Learning Objective
I can differentiate between random selection and random assignment, and determine whether inferences about a population or cause-and-effect relationships are appropriate.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Explain the difference between random sampling and random assignment, and why each is important in research.
2. Describe a research scenario where random assignment would be necessary. What specific question would random assignment help the researchers answer?
3. What are the possible limitations on the conclusions you can draw from a study that uses a sample that is not representative of the population?
...and 4 more questions
Educational Video
Random sampling vs. random assignment
Mine Çetinkaya-Rundel