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IB Psychology HL 2.1.4 Chemical messengers and behavioural mechanisms Question Bank

Practise IB Psychology HL 2.1.4 by analysing hormonal or pheromonal mechanisms and evaluating evidence for effects on behaviour.

Syllabus
First assessment 2027
Course
Psychology HL
Level
HL

Exam points

  • Analyse a mechanism linking a hormone or pheromone to a behavioural response.
  • Evaluate the strength and limitations of a study investigating a chemical messenger.
  • Compare biological evidence with alternative social or cognitive explanations of the behaviour.

2.1.4—Chemical messengers question 1

[Maximum number: 9]

Describe the role of one hormone in the study of human behaviour, with reference to one relevant study.

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