IB Psychology Extended Response Question (ERQ) Rubric Explained: How to Score High

• Stay focused on the question from start to finish; avoid irrelevant information.
• Demonstrate deep knowledge by accurately explaining theories, concepts, and terms.
• Support your points with well-explained research studies—describe aims, methods, and findings clearly.
• Show critical thinking by evaluating research strengths, weaknesses, and considering alternative views.
• Organize your essay logically with clear introductions, body paragraphs, and conclusions.

Understanding Markband Levels

• Low marks (1-2): Basic or limited knowledge, mostly descriptive, minimal use of research or evaluation.
• Mid marks (3-4): Relevant knowledge and research included but lacks depth or full explanation; some critical analysis.
• High marks (5-6): Thorough and detailed knowledge, well-integrated research, strong critical thinking, and clear argumentation.

Why the ERQ Rubric Matters

This rubric aligns with IB Psychology’s assessment objectives, ensuring that essays reflect not only what you know but also your ability to apply, analyze, and communicate psychological understanding effectively.

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