As mentioned in the direct instruction portion, this research has been built on in the decade that followed its publication. What was groundbreaking, has become skyscrapping.
Below are 4 examples of that follow up research in graphical form. Choose 1 of those examples and answer the following questions.
- What is the trend in the data? What happens when you get more/less of the thing being measured?
- Why might it be important to you?