This complete 13-lesson IB Psychology unit bundle introduces students to the six key concepts from the new 2025 specification: Causality, Bias, Measurement, Perspective, Responsibility, and Change. Each lesson is fully editable, inquiry-led, and aligned with ATL skills and IB command terms — perfect for Year 1 SL or HL teaching. Slide formatting is kept deliberately simple so you can easily apply your own theme or house style quickly with minimal fuss. The unit includes interactive tasks, Go