IB DP Psychology HL/SL: Experimental IA Execution, Research Ethics & SAQ/ERQ Grading Calibration
Module 3 · Topic 5 of 6IB DP & MYP

Designing Differentiated Lesson Plans for Mixed-Ability Psych Classrooms

Understanding the Mixed-Ability Psychology Landscape

The IB DP Psychology classroom is inherently diverse, bringing together students with varying degrees of prior knowledge, analytical skill, and linguistic proficiency. As an educator, your primary challenge is to design lessons that respect this spectrum while keeping all students aligned with the rigorous demands of the IBO assessment objectives. Differentiated planning is not about creating separate lessons for every student, but rather about creating a single environment where the path to mastery is accessible to all. When you are designing your lesson plan for your portfolio submission, consider how you might introduce a concept like cognitive bias using multiple entry points, such as visual stimuli, foundational case study summaries, and complex peer-reviewed abstracts. Pause and reflect: take a moment to look at your current class list and identify one student who struggles with academic writing and one who needs deeper challenge. How can your next lesson provide a specific scaffold for the former and an extension for the latter?

Tiered Tasking for Conceptual Mastery

Tiered tasking ensures that all students engage with the same core content while adjusting the complexity of the processing required to reach it. For an ERQ lesson focusing on biological approaches, you might provide a core task of defining key hormones, a supported task for those needing guidance, and an extension task requiring critical evaluation of a study. By layering your activities, you transform a potentially overwhelming task into a series of achievable milestones. Try this in your classroom: next week, provide three versions of an ERQ prompt. The first offers sentence starters and key term glossaries, the second provides a structured outline, and the third presents only the command term and the study topic. This strategy allows you to assess the same content knowledge while meeting the specific developmental needs of your learners, which is a key requirement for your Differentiated Lesson Plan portfolio submission. Observe how this reduces cognitive load while simultaneously boosting student engagement and output quality.

Scaffolding for Exam-Ready Writing

Developing exam-ready writing skills is a gradual process that requires deliberate scaffolding, particularly when dealing with the rigid demands of IB command terms like discuss, evaluate, or contrast. Students often fail to achieve high marks because they struggle to link theory to experimental evidence. You can bridge this gap by using sentence frames that explicitly require students to connect a psychological principle to a research study, effectively forcing the integration of AO1 and AO2 criteria. During your lesson design, incorporate a peer-calibration activity where students use a simplified version of the official mark scheme to grade a sample response. This is a powerful pedagogical tool that shifts the focus from writing as a passive exercise to writing as a deliberate craft. As you prepare your portfolio, document how these scaffolds assist students in moving from mere description to critical evaluation, ensuring that your classroom practice reflects genuine examiner-level calibration and pedagogical rigor.

Integrating Assessment for Learning into the Lesson

Formative assessment is the heartbeat of a differentiated classroom. By weaving low-stakes checks into your lesson, you can adjust your instructional path in real-time, preventing students from falling behind while ensuring advanced learners remain challenged. For example, use exit tickets that ask students to identify one command term used in the lesson and explain how they addressed it in their work. This provides immediate data on whether your differentiation strategies are effective. When documenting your lesson plan for the module submission, be sure to include these assessment checkpoints. They serve as evidence that you are responsive to student learning needs. Reflect on how your lesson plan demonstrates the use of assessment for learning to close the gap between current student performance and the standards required for internal assessments. Your portfolio readiness review will depend on your ability to defend these choices as being both practical and grounded in solid assessment pedagogy.

Designing for the Portfolio Capstone

Your Differentiated Lesson Plan portfolio submission is the culmination of your work in this module and a professional testament to your readiness as an IB educator. To ensure your submission is of the highest quality, you must explicitly link every activity to the IB learner profile and specific assessment criteria. Your plan should clearly demonstrate how you have transformed abstract syllabus requirements into a structured, inclusive 60-minute session that addresses content, skills, and differentiation. Avoid generic plans; instead, show evidence of deep thinking by detailing the specific scaffolds, resource modifications, and extension pathways you have integrated. As you finalize your portfolio draft, think about the oral defense you will eventually deliver. Can you justify every choice made within the lesson plan? Can you articulate how your approach supports diverse learners while maintaining the academic integrity and the demanding standard of the International Baccalaureate DP Psychology syllabus.

Required portfolio · Submit in Module 3

Differentiated Lesson Plan

A full lesson plan evidencing support for diverse learners: tiered tasks, scaffolds and extension pathways.

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End-of-Topic Quiz

10 questions · 70% pass mark

Check your understanding of the topic you just studied.

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1. What is the primary purpose of tiered tasking in a mixed-ability psychology classroom?

2. Which of these is the most effective way to scaffold the ERQ 'evaluate' command term?

3. Why is peer-calibration using a mark scheme a useful strategy?

4. What does an exit ticket provide for the teacher?

5. How should a lesson plan demonstrate differentiation for the portfolio?

6. When should extension pathways be introduced in a lesson?

7. What is the main role of the IB command term in lesson design?

8. How does using multiple entry points support diverse learners?

9. What is the primary benefit of documenting lesson modifications for your portfolio?

10. Which approach best defines 'Assessment for Learning' in the IB context?

Continuous Assessment Test (CAT)

10 applied scenarios

Realistic classroom scenarios — decide what an effective teacher would do.

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1. You notice half the class is struggling to connect theory to evidence in an ERQ. What is your immediate next step?

2. A student consistently completes your tasks in 10 minutes. How do you design for this in your lesson plan?

3. You are teaching a mixed-ability class about cognitive schemas. How do you present the core concept?

4. How do you handle a student who finds writing ERQs very intimidating?

5. Your lesson plan requires students to mark each other's work. What is vital for this to be effective?

6. A lesson on Biological Approach studies is failing to engage students. What is your intervention?

7. How do you adjust for a student with significant literacy difficulties during an ERQ writing session?

8. You observe a student who is bored during your lecture on ethics. What is the most effective change?

9. What is the most effective way to document differentiation in your portfolio?

10. A student expresses frustration with the command term 'discuss'. How do you help them?

Group discussion · 10 marks

Reflect on a recent lesson you taught involving an ERQ or experimental design. How did your current approach to differentiation impact the diverse learners in your room? Identify one specific scaffold you used (or one you wish you had used) and explain how it helped—or would have helped—a struggling student move from description to evaluation. How would you justify the effectiveness of this scaffold in an oral portfolio defense?

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