Problem-solving/research workflow (logical order): Arrange— (i) Take action, (ii) Collect data, (iii) Select problem, (iv) Analyse and interpret data.

Introduction / Context:Standard inquiry proceeds from defining a problem to gathering evidence, analysing it, and then acting on results.

Given Data / Assumptions:

• Action comes last, after analysis.

Concept / Approach:Map to the research cycle.

Step-by-Step Solution:

Verification / Alternative check:Consistent with PDCA/empirical workflows.

Why Other Options Are Wrong:They act before analysing or select problem late.

Common Pitfalls:Jumping to action without data.

Final Answer:(iii), (ii), (iv), (i)