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π― Criterion B: Knowledge and Understanding (6 marks)
This assesses whether:
β You understand your topic through the lens of your subject
β You use the correct terms, theories, and frameworks from your discipline
β Your sources, examples, and explanations are appropriate for your subject area
In other words: Are you writing like a student of your subject, not just a curious person?
Hereβs what the IB rubric says for top marks (6):
βThe selection of source materials is clearly relevant and appropriate to the research question and the subject.
Knowledge and understanding of the topic studied is excellent. Subject-specific terminology and concepts are used accurately throughout the essayβ
So a strong essay must:
β The essay consistently uses accurate subject-specific terminology
β The student demonstrates deep understanding of the topic in context
β The research is framed using discipline-appropriate theories, models, or methods
β The sources are clearly chosen for their relevance to the subject, not just general interest
β There are no gaps in subject knowledge, no vague or incorrect applications
What You Should Demonstrate?
Biology: Use of correct scientific terminology, understanding of biological systems, data interpretation
History: Awareness of historical context, causes and consequences, schools of thought
English: Use of literary analysis, genre conventions, themes and devices
Economics: Application of models (e.g. supply/demand, elasticity), use of data and economic indicators
Psychology: Reference to studies, theories (e.g., cognitive/biological), evaluation of findings
Visual Arts: Discussion of technique, style, visual analysis, and relevant movements or periods
βοΈ Checklist (for 6/6)
Do I demonstrate deep understanding of the subjectβs core concepts?
Have I used subject-specific terminology correctly and confidently?
Are my sources drawn from reputable academic or expert publications?
Have I shown how theory connects to my specific topic or data?
Is the content consistently relevant to my RQ and subject area?
Does my essay stay grounded in the subject discipline throughout?