1. Do Now is on google classroom

2. Do Now
Did this contradict with the findings in the previous study we read about?

3. Do Now What did you recognize in the study?
What was easier to understand: the article or the study?

4. Lesson 3.7
How to Experiment Well

5. Objectives
Describe how to randomly assign treatments using slips of paper or technology.
Explain the purpose of random assignment in an experiment.
Identify other sources of variability in an experiment and explain the benefits of keeping these variables the same for all experimental units.

6. Important Ideas Random Assignment Slips of paper- same size, mix well
Random Number Generator – ignore repeats

7. Important Ideas
Use random assignment to create groups that are roughly equivalent

8. Important Ideas Keep other variables the same to… Prevent confounding
Reduce variability

9. BINGO
Let’s practice our vocab words!!!