What are the student’s prior grades in science classes and their critical thinking skills? (A descriptive question focused on the moderating variable of prior grades)

1. How do the students rate on critical thinking skills? (A descriptive question focused on the independent variable)
2. What are the student’s achievement levels (or grades) in science classes? (A descriptive question focused on the dependent variable)
3. What are the student’s prior grades in science classes and their critical thinking skills? (A descriptive question focused on the moderating
variable of prior grades)
4. What is the educational attainment of the parents of the eighth graders? (A descriptive question focused on a mediating variable,
educational attainment of parents