Answer:
the dependent variable.
Step-by-step explanation:
Dependent variable: In a scientific or psychological experiment, the term dependent variable is defined as the variable in an experiment in which the experimenter is interested in. The dependent variable in an experiment is the variable that is being affected by the independent variable, any changes in the independent variable will lead to having a direct effect on the dependent variable.
In other words, the dependent variable in an experiment is the variable that is being tested or measured.
In the question above, the number of errors that are made would be the dependent variable.