IB Psychology
Scientific study of behavior and mental processes from multiple perspectives.
IB Psychology explores human behavior through biological, cognitive, and sociocultural approaches. Students develop critical thinking skills while analyzing research studies and understanding ethical considerations in psychological research. The current course was first assessed in May 2027.

Why Psychology Matters
Your grade in IB Psychology counts toward the 45-point Diploma, and many university courses ask for a particular grade in the subject, often at Higher Level.

SL covers psychological concepts, content (the biological, cognitive and sociocultural approaches) and four contexts, with class practicals and a research proposal, in 150 hours.
HL adds extensions on the role of culture, motivation and technology in shaping human behavior and on data analysis and interpretation, assessed in Paper 3, in 240 hours.
Career Pathways
Psychology syllabus topics
The topics of the subject guide. Lessons follow your school's order and level.
- Biological approach
- Cognitive approach
- Sociocultural approach
- Four contexts, such as human development and health and well-being
- At least four class practicals
- Research methodology
- The role of culture, motivation and technology in shaping human behavior
- Data analysis and interpretation
How lessons approach Psychology
Understanding the concepts, and answering the papers the way the markscheme rewards.
- Learn key studies thoroughly with ACER structure
- Understand ethical considerations in research
- Connect approaches to real-life applications
- Practice critical evaluation of studies
- Memorize studies for each approach
- Practice SAQ and essay structures
- Learn to evaluate studies critically
- Plan the research proposal early
Past papers and markschemes
IB Psychology past papers, used in lessons alongside the questions from your own school.