What Is IB Psychology?

IB Psychology is one of the most popular Group 3 choices, and it has recently been updated and refreshed. A new syllabus changes how the course is built, so it's worth knowing what you're actually signing up for.

Here's what IB Psychology now covers, the difference between Standard Level and Higher Level, how it's assessed, and whether it's the right fit for you.

Key Takeaways

• IB Psychology is the scientific study of behaviour and the mind, taught as a Group 3 (Individuals and Societies) subject

• A new syllabus is first taught from 2025, with first exams in 2027

• The course is built around concepts, content and contexts, with the old optional topics replaced

• You can take it at Standard Level or Higher Level

• Like every IB subject, it's graded on a 1 to 7 scale

What Is IB Psychology?

IB Psychology is a Diploma Programme subject that studies why people think, feel and behave the way they do. It sits in Group 3, Individuals and Societies, and treats psychology as a science built on real research.

The course was recently updated. Students starting from 2025 follow the new syllabus, with the first exams in 2027, so most current resources written for the old course are now out of date.

There are no prerequisites, and you don't need to have studied psychology before. If you're curious about human behaviour and happy to read studies and write about them, it's a good choice.

What You'll Study: Concepts, Content and Contexts

The new syllabus is organised into three parts that work together.

• Concepts are six big ideas you apply throughout the course: bias, causality, change, measurement, perspective and responsibility. They give you a consistent way to think about any topic

• Content is the core knowledge. You study three approaches to behaviour, the biological, cognitive and sociocultural, plus research methodology, which is how psychologists actually investigate the mind

• Contexts are four real-world areas where you apply that knowledge: health and well-being, human development, human relationships, and learning and cognition. These replaced the old optional topics, and now everyone studies all four. Our IB Psychology topics guide breaks down what sits inside each part

SL vs HL: What's the Difference?

Standard Level (SL) and Higher Level (HL) share the same concepts, approaches and contexts, so the foundations are identical. The difference is depth and assessment.

HL goes further by exploring how motivation, culture and technology shape behaviour across the contexts, and HL students sit an extra exam paper. It's a bigger commitment, but it suits students who want to study the subject in more detail.

Our guide to the difference between Standard and Higher Level explains how SL and HL compare across IB, which helps when you're balancing your six subjects.

How IB Psychology Is Assessed

Assessment combines written exam papers with an internal assessment you complete in class.

At Standard Level, you sit two papers, each worth 35% of your grade. Paper 1 brings together the concepts, content and contexts, while Paper 2 focuses on applying them to research. Your internal assessment, worth 30%, is a research proposal.

At Higher Level, you sit the same two papers plus a third, source-based paper covering the HL extensions alongside the same internal assessment. The three papers are worth 80% of your grade and the internal assessment is worth 20%.

One change is worth flagging: the internal assessment is now a proposal. You design a study in detail but don't carry it out, which lets you be more ambitious with your ideas. Every component feeds into a final grade from 1 to 7.

Is IB Psychology Hard?

IB Psychology is content-rich, and the challenge is evaluation rather than memorising. You're expected to weigh up studies, spot their limitations and build arguments, not just recall facts.

The writing matters too. Extended-response answers require clear, well-supported points, and the internal assessment needs careful planning. There's no heavy maths, but there is a lot of reading and analysis.

For students who enjoy understanding people, it's genuinely rewarding and very manageable with steady work. Our guide on how to improve your IB grades has tactics that suit evaluation-based subjects like this one.

How to Prepare and Succeed in IB Psychology

Doing well in IB Psychology comes down to applying ideas, not just learning them. Get comfortable using the three approaches across all four contexts, since that's exactly what’s needed in the exams.

A few habits make the biggest difference:

• Build a bank of studies you can use as evidence in different answers

• Practise short- and extended-response questions so your writing is exam-ready

• Plan your internal assessment proposal early, and make the research design clear

Our advice on how to study for IB exams will help you balance psychology with the rest of your Diploma. If you're still choosing subjects, our guides to IB Global Politics and IB Philosophy cover related Group 3 options.

Save My Exams has examiner-written IB study resources that focus your revision on what actually matters. Explore them and start improving your grades today.

Frequently Asked Questions

Is IB Psychology hard?

It's content-rich and evaluation-heavy, so the challenge is analysing studies and writing strong arguments rather than memorising facts. There's no heavy maths, and students who enjoy understanding behaviour usually find it manageable.

Can you take IB Psychology at SL and HL?

Yes. Both levels share the same concepts, approaches and contexts. HL adds more depth, explores motivation, culture and technology across the contexts, and includes an extra exam paper.

What changed in the new IB Psychology syllabus?

The course is now built around concepts, content and contexts. The four contexts replaced the old optional topics, so all students study them, and the internal assessment is now a research proposal you design rather than a study you carry out.

How is IB Psychology graded?

It's graded on the IB 1 to 7 scale, like every Diploma subject. Your grade combines your exam papers and your internal assessment, so there's no single pass mark.