The Complete PhD Research Flowchart

Before looking at each stage in detail, here is the complete doctoral research process at a glance.

1. Start With a Research Problem, Not Just a Topic

One of the most common mistakes made by new PhD scholars is confusing a research topic with a research problem.

For example:

This is a broad area of interest, but it is not yet a strong research problem.

You need to ask:

• What exactly about social media?
• Which group of young people?
• Where?
• Which outcome?
• What is already known?
• What remains unclear?
• Why does the issue matter?
• What can your research contribute?

A stronger research direction might be:

The research direction is now more specific.

2. Conduct a Preliminary Literature Search

Do not begin by downloading hundreds of papers without a plan.

Start strategically.

Your preliminary literature search should help you understand:

• Major theories
• Important concepts
• Key researchers
• Major debates
• Common methodologies
• Recent findings
• Contradictory findings
• Limitations in previous research
• Areas that remain under-researched

A literature review should not simply become a collection of article summaries. The purpose is to synthesise existing scholarship and establish where your research fits within it.

3. Identify the Research Gap

The research gap is one of the most important components of doctoral research.

A gap does not necessarily mean that nobody has ever studied your topic.

It may take several forms.

Population Gap

A particular population has received limited research attention.

Geographical Gap

A phenomenon has been studied in one geographical context but remains insufficiently examined elsewhere.

Methodological Gap

Previous studies have predominantly used one research approach, leaving scope for another method.

Theoretical Gap

Existing research has not adequately examined a phenomenon through a particular theoretical perspective.

Empirical Gap

Existing evidence is incomplete, inconsistent or contradictory.

Temporal Gap

The phenomenon has changed over time, making older evidence insufficient for understanding the current context.

Policy or Practice Gap

Research exists, but its implications for policy, institutions or professional practice remain insufficiently explored.

4. Develop Your Research Questions

Your research questions provide the backbone of your PhD.

A strong research question should be:

• Clear
• Focused
• Researchable
• Relevant
• Feasible
• Connected to the research gap

A question such as:

is far too broad.

A more focused question could be:

The second question identifies a phenomenon, population and context.

5. Define Your Aim and Objectives

Research Aim

The aim describes the overall purpose of your study.

Research Objectives

Objectives break the research aim into manageable tasks.

1. To examine patterns of digital health technology use among older adults.
2. To identify barriers to accessing digital health services.
3. To explore the relationship between digital literacy and healthcare access.
4. To examine users’ experiences of digital healthcare platforms.
5. To propose recommendations for improving digital healthcare accessibility.

Your objectives should connect logically with your research questions, methodology and analysis.

6. Develop a Theoretical or Conceptual Framework

A doctoral study should demonstrate how the research connects with existing scholarship.

Depending on the discipline, you may use:

• A theoretical framework
• A conceptual framework
• One or more established theories
• A new conceptual model

For example, sociology research may draw upon Social Capital Theory, Symbolic Interactionism, Feminist Theory, Conflict Theory, Modernisation Theory or Social Constructionism.

7. Choose the Right Research Methodology

Methodology is more than a list of methods. It explains the reasoning behind the research approach.

Qualitative Research

Qualitative approaches are commonly used when researchers want to understand experiences, meanings, perceptions, narratives and social processes.

Methods may include:

• Interviews
• Focus groups
• Observation
• Ethnography
• Case studies
• Document analysis

Quantitative Research

Quantitative research can be appropriate when the researcher wants to measure relationships, differences, frequencies, trends or associations.

Methods may include:

• Surveys
• Structured questionnaires
• Experiments
• Secondary datasets
• Statistical analysis

Mixed-Methods Research

Mixed-methods research combines qualitative and quantitative approaches when such integration is appropriate for the research questions and research design.

8. Design Your Research Instruments

Once your methodology is established, decide how you will collect the data.

For quantitative research, this may involve:

• Questionnaire design
• Variables
• Measurement scales
• Sampling
• Reliability
• Validity
• Pilot testing

For qualitative research, it may involve:

• Interview guides
• Participant selection
• Interview protocols
• Observation schedules
• Coding strategies

9. Ethics Comes Before Data Collection

If your study involves human participants, sensitive information, interventions or other ethically regulated activities, follow the requirements of your university and relevant ethics procedures.

Depending on the study, this may involve:

• Informed consent
• Confidentiality
• Anonymity
• Data protection
• Voluntary participation
• Right to withdraw
• Secure data storage
• Risk assessment

Ethical research protects participants and strengthens the credibility of your study.

10. Conduct a Pilot Study

Where appropriate, a pilot study can help identify problems before the main data collection.

You may discover that:

• A questionnaire is too long.
• A question is confusing.
• Response options are incomplete.
• Participants interpret a term differently.
• An interview question produces little useful information.
• Your sampling plan is unrealistic.

A pilot study is not required in every research design. Its value depends on the nature of the study and your institutional requirements.

11. Collect Data Systematically

During fieldwork, maintain a clear research record.

Document:

• Dates
• Sampling decisions
• Participant recruitment
• Changes to the research process
• Missing data
• Unexpected problems
• Methodological decisions

Do not rely entirely on memory.

Good research documentation becomes extremely useful during analysis and thesis writing.

12. Organise and Analyse the Data

Quantitative Analysis May Include

• Descriptive statistics
• Cross-tabulation
• Correlation
• Regression
• t-tests
• ANOVA
• Chi-square
• Factor analysis

The appropriate technique depends on the research design, variables, assumptions and research questions.

Qualitative Analysis May Include

• Coding
• Categorisation
• Theme development
• Narrative analysis
• Content analysis
• Discourse analysis

Do not select an analytical technique simply because you have seen it in another thesis. Your analysis should follow from the research question and research design.

13. Interpret the Findings

This is where doctoral research moves beyond simply reporting information.

Suppose your research finds that digital literacy is associated with greater use of online healthcare services.

The result is important.

But doctoral-level discussion should also ask:

• Why might this relationship exist?
• Does it agree with previous research?
• If it differs, why might it differ?
• What theoretical explanation is possible?
• What does this finding add to existing knowledge?

This is where you begin demonstrating scholarly contribution.

14. Write the PhD Thesis

The exact structure of a doctoral thesis varies by university and discipline, but a common structure includes the following chapters.

Your university may require a different structure. Always follow the doctoral regulations and supervisor’s guidance applicable to your programme.

15. Results vs Discussion: Know the Difference

16. Identify Your Original Contribution

Every doctoral researcher should eventually be able to answer one fundamental question:

Your contribution may involve:

• New empirical evidence
• A theoretical contribution
• A conceptual framework
• A methodological contribution
• Evidence from an under-researched population
• Evidence from a new geographical context
• A new dataset
• Policy implications
• A new interpretation of existing evidence

Do not wait until the conclusion chapter to think about contribution. Start identifying it during the early stages of your PhD.

17. Convert Your PhD Into Journal Articles

Your thesis does not necessarily have to be the end of your research journey.

A doctoral thesis can often provide the foundation for several focused publications.

18. How to Choose a Journal for Your PhD Paper

Do not select a journal simply because its title contains your research keywords.

Check:

• Scope: Does the journal publish research similar to yours?
• Recent papers: What topics has it published recently?
• Article type: Does it accept your manuscript type?
• Indexing: Verify indexing claims using authoritative sources.
• Publisher: Is the journal published by a recognised scholarly publisher?
• Editorial information: Is the editorial board clearly identified?
• Publication model: What are the open-access and subscription options?
• APC: Is there an article processing charge?
• Author guidelines: Does your manuscript meet the formatting and submission requirements?

19. Common PhD Mistakes to Avoid

Mistake 1: Choosing an Extremely Broad Topic

A broad topic can produce an unfocused thesis. Narrow the problem and define the population, context and variables or concepts where appropriate.

Mistake 2: Treating the Literature Review as a Summary

A literature review should demonstrate synthesis and critical engagement rather than becoming a list of what individual authors have said.

Mistake 3: Collecting Data Before Finalising the Research Design

Changing the research question after data collection can create major methodological problems.

Mistake 4: Choosing a Method Because Someone Else Used It

A method should be selected because it fits your research question and design.

Mistake 5: Using Too Many Variables

More variables do not automatically make a study better. A focused research design is often easier to analyse and explain.

Mistake 6: Waiting Until the End to Start Writing

Writing should happen throughout the PhD. Draft literature notes, methodology sections, research memos and findings as your work develops.

Mistake 7: Poor Reference Management

Organise references from the beginning and use a reference-management system that suits your workflow.

Mistake 8: Chasing Publication Quantity

Focus on rigorous, relevant research rather than an arbitrary number of publications.

20. A Practical PhD Timeline

The following is an example planning framework. It is not a universal doctoral timetable. Your programme may be substantially shorter or longer.

21. Create a Research Management System

Do not keep your entire PhD in random folders.

A simple structure can save considerable time.

PHD RESEARCH
│
├── 01_Proposal
├── 02_Literature
│   ├── Articles
│   ├── Books
│   ├── Reviews
│   └── Notes
│
├── 03_Methodology
├── 04_Ethics
├── 05_Data
├── 06_Analysis
├── 07_Thesis
│   ├── Chapter 1
│   ├── Chapter 2
│   ├── Chapter 3
│   ├── Chapter 4
│   ├── Chapter 5
│   └── Chapter 6
│
├── 08_Publications
├── 09_Conferences
└── 10_Final_Submission

22. Maintain a Research Diary

Record important decisions throughout the PhD.

• What you read
• What you learned
• Questions that emerged
• Methodological decisions
• Problems encountered
• Supervisor feedback
• Changes to the research design
• Ideas for future papers

Months later, these notes can help you reconstruct your research journey and explain why particular decisions were made.

23. Use AI Responsibly During Your PhD

AI tools can be useful in research when used responsibly.

Potential applications include:

• Brainstorming research questions
• Organising ideas
• Improving language
• Creating outlines
• Explaining difficult concepts
• Generating search terms
• Organising research notes
• Identifying possible themes for further investigation

However, always verify:

• References
• Citations
• Statistics
• Quotations
• Research findings
• Factual claims

Do not assume that an AI-generated citation is genuine.

24. Your PhD Is More Than a Thesis

A PhD is not simply a document that needs to be submitted.

It is also the development of you as an independent researcher.

During your doctoral journey, try to develop:

• A publication record
• Conference experience
• Research collaborations
• Academic networks
• Research-method expertise
• A researcher profile
• A clear research identity

By the time you complete your PhD, you should ideally be able to explain your research in:

• 30 seconds
• 2 minutes
• 10 minutes
• 30 pages

If you can do that clearly, you probably understand your research very well.

Complete PhD Scholar Checklist

The Complete PhD Research Roadmap

Frequently Asked Questions About PhD Research

How do I start PhD research?

Start by identifying a research area that interests you, conduct preliminary literature searches, identify an unresolved research problem, narrow the topic and develop focused research questions. Your final research plan should follow your university’s doctoral requirements and supervisor’s guidance.

What is a research gap in a PhD?

A research gap is an area where existing knowledge is incomplete, inconsistent, insufficiently explored or requires further investigation. It can be empirical, theoretical, methodological, geographical, population-based, temporal or related to policy and practice.

How do I find a research gap?

Read recent and relevant studies systematically. Look for limitations, unanswered questions, contradictory findings, under-researched populations, unexplored contexts and areas where existing theories or methods do not fully explain the phenomenon.

What methodology should a PhD scholar use?

The methodology should be selected according to the research questions, objectives and nature of the research problem. Qualitative, quantitative and mixed-methods approaches can all be appropriate depending on the study.

How many papers should a PhD scholar publish?

There is no universal number. Publication requirements vary by university, discipline and doctoral programme. Check your institution’s regulations and prioritise rigorous and relevant research.

Can a PhD thesis be converted into journal articles?

Yes. Parts of a thesis can often be developed into focused journal articles. However, a thesis and journal article serve different purposes, so the manuscript should be substantially adapted to the target journal’s audience, scope and author guidelines.

Can AI help PhD scholars?

AI can assist with brainstorming, outlining, language editing, organising ideas and other research-support tasks. Researchers should independently verify factual claims, references and research findings and follow their institution’s and publisher’s policies on AI use.

Final Thoughts

If the PhD journey currently feels overwhelming, break it into stages.

One research problem.

One research gap.

One question at a time.

One chapter at a time.

One analysis at a time.

A PhD is rarely completed through one huge effort. It is built through hundreds of smaller research decisions made carefully over time.

And perhaps the most important lesson is this: