9.1.5 - Questionnaires and interviews

9.1.5 Questionnaires and interviews: open, closed (including ranked scale questions); structured, semi-structured and unstructured interviews; self-report data.

Use - questionnaires and interviews to connect the rule to the data and decision in the question.

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

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

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