Testing the Viability of Your EE idea (DP IB Extended Essay): Revision Note

Dr Dean West

Written by: Dr Dean West

Reviewed by: Alistair Marjot

Updated on

How do you test whether your EE idea is viable?

Guiding questions to test viability

  • It is a good idea to do a short preliminary investigation to see if your topic is manageable within the 4,000-word limit

  • Ask yourself specific questions to evaluate your initial ideas

    • Is it clear?: Will the reader understand the nature of my research and will the question give direction to my research?

    • Is it focused?: Is the question specific enough to be explored within the word limit and time available?

    • Is it arguable?: Does the question allow for analysis, discussion and evaluation rather than just a descriptive answer?

  • Check early whether there are enough accessible resources or data to support your research

    • Consider if it is easy to find sources of information and if there is a range of views or perspectives on the topic

    • If resources are insufficient, you may need to amend your question or find a different topic

    • Lack of data occurs when there is not enough evidence, statistics or primary research available to support a high-level academic argument

      • Primary research is not required for a strong EE—many excellent essays rely entirely on high-quality secondary sources

Examiner Tips and Tricks

A good research question isn’t just “interesting” — it needs a line of argument. If your plan reads like a report (“describe”, “outline”, “explain what happened”), you’ll struggle to hit the higher bands for analysis and evaluation.

Interest level

  • Curiosity is described as the "engine of achievement", so this should drive your choice of topic

  • You must choose a topic of personal interest rather than just what you think looks "academic"

  • High interest levels are essential for maintaining motivation throughout the approximately 40-hour process

  • You should ask yourself "What aspect or issue within this broad topic area really interests me?" to narrow your focus

Appropriateness of interdisciplinarity

  • You must decide if your topic is best explored through one subject or two

    • Subject-focused: Ask "Could I successfully explore my topic through a single subject?"

    • Interdisciplinary: Ask "Could my topic be explored better through combining two subjects?"

  • An interdisciplinary approach is appropriate when a single subject cannot provide a full understanding of the issue

    • It is often suitable for complex global issues like climate change or migration

  • You must be able to justify why an interdisciplinary approach is necessary

    • If you cannot justify the need for two subjects, you should likely take the subject-focused pathway

  • In an interdisciplinary EE, integration often develops as your research and writing progress—you don’t need to have it perfectly ‘integrated’ from day one

Examiner Tips and Tricks

For interdisciplinary EEs, the simplest self-check is this: could one subject alone answer your question just as well? If yes, it’s probably better as a subject-focused EE. If no, make the “why both subjects are needed” explicit from the start. 

Availability of suitable lenses

  • A lens refers to the specific concepts, theories, methods and perspectives of a subject used to investigate a topic

  • For a subject-focused essay, you must check if one specific DP subject provides the best lens to investigate your topic

    • You will use the disciplinary toolkit of that single subject to build your argument

  • For an interdisciplinary essay, you must identify two DP subjects that can bring different perspectives to the investigation

    • You must integrate the lenses of both subjects to create new insights

  • For an interdisciplinary EE, it is strongly recommended that you are studying at least one of the two subjects you are using as lenses

    • This ensures you have the necessary grounding in the terminology and concepts to conduct rigorous research

  • You must determine early on if your proposed topic or research methods will require specific ethics approval

    • Ethics approval is the formal permission required when research involves potentially sensitive topics or human participants to ensure no harm is caused

  • You must ensure your research methods align with ethical guidelines, such as respecting privacy and ensuring the well-being of any participants

  • If your topic involves unacceptable methods, such as trespassing or using copyrighted material without permission, the idea is not viable

  • If your topic involves people, sensitive issues, or experimental work, speak early with your supervisor/EE coordinator and use the IB ethical guidelines to make safe, responsible decisions

Examiner Tips and Tricks

Don’t leave ethics until late. If your idea involves people, sensitive topics, or experiments, check expectations early — the IB’s ethical guidance (and your school’s safeguarding/consent rules) can change what research is allowed.

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Dr Dean West

Author: Dr Dean West

Expertise: Content Writer

Dr Dean West is a UK-based educator, Principal Examiner and assessment specialist. He leads IB CAS and the Extended Essay at Bromsgrove School, where he also coordinates and teaches IB Business Management. A Chartered Teacher and Chartered Educational Assessor, he has examined for WJEC, Cambridge International and Edexcel, consulted for Ofqual and the British Council. He holds a PhD in Education from the University of Warwick.

Alistair Marjot

Reviewer: Alistair Marjot

Expertise: Environmental Systems and Societies & Biology Content Creator

Alistair graduated from Oxford University with a degree in Biological Sciences. He has taught GCSE/IGCSE Biology, as well as Biology and Environmental Systems & Societies for the International Baccalaureate Diploma Programme. While teaching in Oxford, Alistair completed his MA Education as Head of Department for Environmental Systems & Societies. Alistair has continued to pursue his interests in ecology and environmental science, recently gaining an MSc in Wildlife Biology & Conservation with Edinburgh Napier University.