Teach the Biological Approach with confidence using this fully planned, exam-focused lesson for the Cambridge International AS Level Psychology (9990) specification.

Designed for the 2027 examination, this resource introduces one of the most important approaches in the course through explicit instruction, retrieval practice, guided application and exam-style questions. Students learn the two biological assumptions exactly as required by the specification while developing the confidence to apply them to unfamiliar scenarios.

Ideal for new and experienced Psychology teachers alike.

What’s included
Fully editable PowerPoint lesson
Approximately 60-minute lesson
Retrieval starter reviewing Lesson 1
Engaging “Do Now” activity
Explicit teacher modelling (I Do → We Do → You Do)
Pair and independent practice activities
Exam-style questions with mark scheme guidance
Printable Biological Approach Fact Sheet
Homework task
Plenary and exit ticket
Students will learn
The two assumptions of the Biological Approach
How behaviour can be explained through:
The brain
Hormones
Genetics
Evolution
Genotype and phenotype
Natural selection
The nervous and endocrine systems
The interaction between biology and environmental factors
The biological tools used in the three Cambridge core studies (EEG, MRI and hormones)
How the Biological Approach links to the Nature vs Nurture debate
How to answer Cambridge exam questions accurately using the required terminology
Why teachers love this resource
Fully aligned to the Cambridge International AS Level Psychology (9990) syllabus
Strong emphasis on examination success
Explicit teaching of specification wording
Retrieval practice built into every stage of the lesson
Ready to teach with minimal preparation
Includes structured modelling and guided practice
Encourages higher-order thinking through application activities
Printable revision resources included
Perfect preparation for the Dement & Kleitman core study and later Biological Approach lessons