The following experiment is designed to assess whether students that eat breakfast get higher grades than students that do not eat breakfast. It has been suggested that breakfast is the most important meal of the day, and some studies show that eating breakfast can help people to focus for longer periods and to attain their goals (Adolphus et al., 2013).
Variables
In this study, the independent variable is eating breakfast (versus not eating breakfast) and the dependent variable is the grades that the students get. The students would have their baseline grades measured at the outset of the study and ...