2.2.2 - Independent and dependent variables

2.2.2 Independent and dependent variables.

Use - independent and dependent variables to connect the rule to the data and decision in the question.

This matters because - independent and dependent variables determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply - independent and dependent variables to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: - Independent and dependent variables is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.