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IB Psychology SL 2.1 Biological Approach Questions

Practise IB Psychology SL 2.1 by explaining behaviour through genes, brain systems, hormones and neuroplasticity with ethical evidence.

Syllabus
First assessment 2027
Course
Psychology SL
Level
SL

Exam points

  • Apply biological explanations to a precise behaviour using genes, neurotransmitters, hormones or brain structures.
  • Evaluate biological studies through design, sampling, ethics and limits of causal inference.
  • Compare biological evidence with alternative explanations without overclaiming reductionism.

Covered syllabus points

2.1.1—Animal models2.1.2—Biological reductionism2.1.3—Brain imaging2.1.4—Chemical messengers2.1.5—Diathesis-stress2.1.6—Genetic inheritance2.1.7—Localization of function2.1.8—Neuroplasticity2.1.9—Neurotransmission

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