Mixed-methods designs in nursing should be chosen from the relationship your research question needs between numerical and qualitative evidence. Convergent and sequential approaches differ in timing and how one strand informs another.
Begin with the missing part of the answer
Write what the quantitative strand can establish and what the qualitative strand can contribute. If either can answer the whole question adequately, explain why the additional work is necessary before committing to mixed methods.
A design is not stronger just because it contains two methods. It needs feasible sampling, suitable analysis and a credible integration point within the module timetable.
When a convergent approach may fit
A convergent approach can suit a question where the strands are developed alongside one another and brought together for comparison or interpretation. Plan which constructs, populations and time periods will be comparable.
A hypothetical study might examine questionnaire ratings and interviews about the same home-care programme during one evaluation period. The methods may reveal different aspects of the service, but their relationship must be planned rather than discovered accidentally at the end.
When an explanatory sequence may fit
An explanatory sequence begins with quantitative work and uses qualitative work to examine selected patterns or questions arising from it. Specify how the first-stage findings influence the interview focus or participant selection.
Do not promise to recruit a particular follow-up group before establishing whether the initial data will identify it and whether recruitment is permitted. Build time for first-stage analysis and the next-stage design decisions.
When an exploratory sequence may fit
An exploratory sequence begins with qualitative exploration that informs later quantitative development. For example, initial interviews could help identify concepts for further measurement.
Fetters, Curry and Creswell (2013) describe convergent, explanatory sequential and exploratory sequential designs. Choosing among them still requires a project-specific rationale. An interview-informed questionnaire is not automatically validated, so document its development and evaluation needs.
Check the design dependencies
List decisions that cannot happen until the preceding stage is complete. These may include questionnaire content, follow-up recruitment, interview questions or the choice of comparisons. Compare those dependencies with the submission date.
Also plan what happens if the initial stage produces little usable information or follow-up participation is limited. A contingency should preserve honest reporting rather than invent an alternative dataset.
State the choice in your methodology
Explain the purpose of each strand, its timing, sampling, analysis and integration. Identify any greater emphasis given to one strand and justify it from the question. Definitions alone will not explain why the design suits your study.
Link this decision to your planned integrated discussion. If the question or access changes, review the whole design with your supervisor before revising dependent sections.
Mixed-methods designs in nursing: compare design dependencies
Illustrative planning example: First, decide what is missing from the answer. If numerical patterns need explanation, qualitative follow-up may be appropriate. However, its focus depends on analysing the first stage. Next, check recruitment and timetable constraints. If exploratory interviews will inform a questionnaire, allow time for development and evaluation. Finally, choose the sequence your question requires rather than the design label that sounds strongest.
| Element | Example | Meaning or limit |
|---|---|---|
| Convergent | Develop strands alongside one another | Plan comparability and an integration point |
| Explanatory sequential | Quantitative findings inform qualitative follow-up | Allow time for first-stage analysis |
| Exploratory sequential | Qualitative work informs quantitative development | Evaluate the developed instrument appropriately |
Mixed-methods designs in nursing: practical checklist
- Justify both strands.
- Specify timing.
- Identify dependent decisions.
- Plan integration and feasibility.
Frequently asked questions
Is a sequential design always more rigorous?
No. Rigour depends on the match between question, methods, execution and interpretation.
Can the two strands use different participants?
Possibly, but explain the sampling relationship and limits of comparison.
Can I change the sequence after approval?
Use the required supervision and amendment process before making a material change.
Is a convergent design automatically quicker?
No. Parallel work may reduce some dependencies but creates simultaneous recruitment, analysis and coordination demands.
Conclusion
Choose mixed-methods designs in nursing by the relationship needed between the strands. Timing, dependencies and a realistic integration plan matter more than the number of methods used.
Get feedback on your project
For a review of your own question, plan or draft, use mixed-methods design review. Send your university brief and supervisor comments through our contact page. Follow your university’s rules on external support and share only material you are authorised to disclose.
References
Fetters, M.D., Curry, L.A. and Creswell, J.W. (2013) ‘Achieving integration in mixed methods designs—principles and practices’, Health Services Research, 48(6 Pt 2), pp. 2134–2156. Available at: Full article.
