Tonight, please complete the chapter 13 reading questions provided in class. For those of you who were absent (or lost them), I've provided the questions below.
Tomorrow we'll start off class by grading one another's bias question, and then we'll start our notes on chapter 13! Yay!
Don't forget, vocab test is Monday! (And another test question--a free-response question like the one we went over in class, too!)
Chapter 13 Reading Questions:
1. There are two types of observational studies—retrospective and prospective studies.
- a. What is a retrospective observational study?
- b. What is a prospective observational study?
3. Describe/comment on each of the four principles of experimental design:
- a. Control:
- b. Randomize:
- c. Replicate:
- d. Block:
5. What is a control treatment/control group?
6. What does it mean for two variables to be confounded?
7. In your own words summarize the procedure for the tomato/fertilizer experiment on page 298 -300.
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