Answer:
Maths anxiety
Step-by-step explanation:
In a typical research study, there are basically 2 types of variables involved, which are the dependent and the independent variable.
The dependent variable is affected by other factors or the independent variable involved in the study. The dependent variable would change is the independent variable is manipulated, changed or varied.
The dependent variable in Joe's dissertation is MATHS ANXIETY, which is dependent on the gender of students. Gender is the independent variable as he wants to find out if there's any difference in maths anxiety between males and females.
The dependent variable is Math Anxiety which is dependent on gender of the students.