| A | B |
| Control | the group that has nothing done to it |
| Constants | the other variables held the same |
| Dependent variable | the variable that changes (responding variable) |
| Independent variable | the variable you change (manipulated variable) |
| Trials | the number of times you repeat the experiment |
| Levels | the different quantities of the independent variable |
| Variables | something changes |
| Data | Information you collect |