Why Choosing Quality Sources Matters
Your EE’s strength lies in the credibility and relevance of its research materials. Most A-grade essays include around 20–30 well-chosen sources, but ultimately, depth of engagement matters more than count.
Mastering IB Extended Essays: How to Research, Write, and Revise
Top-Tier Sources to Use
1. Peer‑Reviewed Journals & Scholarly Articles
Find reliable studies via platforms like JSTOR or Google Scholar, especially through your school library’s subscriptions.
2. Primary Sources
Utilize documents or data directly from the period or context you’re studying—e.g., archival records, experiments, surveys, or literary texts.
3. Subject‑Specific Books & Theory Texts
Look for reputable academic books and IB-recommended literature to frame your analysis within subject methodologies.
4. Institutional Databases & LibGuides
Library guides (like LibGuides) offer curated subject-specific resources and source recommendations.
RevisionDojo’s Tag Hub for Extended Essay Posts
5. Official IB Materials
If available through your school, the IB Programme Resource Centre (PRC) provides model essays and EE exemplars essential for understanding examiner expectations.
Balancing Quality and Quantity
Many students report even a modest bibliography (e.g. 18 sources) earned top grades when sources were truly relevant and well-integrated:
