Current syllabus · first assessment 2017

A-Level Psychology A2 Study Guide & Review

Prepare for Pearson Edexcel International A2 Psychology by managing the Unit 3 option, connecting clinical evidence with methods and statistics, and building precise synoptic judgements for WPS03 and WPS04.

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  1. 01Learn concepts
  2. 02Practise questions
  3. 03Review mistakes

How to study Pearson Edexcel International A2 Psychology

International A2 Psychology is not a continuation of AS revision by volume alone. WPS03 combines compulsory Developmental Psychology with either Criminological or Health Psychology, while WPS04 joins Clinical Psychology to cumulative research methods, key questions and issues and debates. Use the Unit 3 map to keep one option complete, then connect Clinical Psychology with the synoptic decisions collected under Psychological Skills.

Build each explanation as a usable evidence chain: claim, mechanism, selected study, method, limitation and conditional judgement. Reconstruct it in Concept and retrieve the details in Mastery without notes. Then use the Question Bank to apply that chain to an unfamiliar stimulus or extended response. Classify the first failure as evidence, option scope, method, statistic, application or judgement; repair only that decision and answer a nearby prompt before moving on.

Practise IA2 Psychology by response behaviour

Use separate routines for developmental synthesis, the selected application option, clinical evidence, research methods and WPS04 cross-topic judgement.

Developmental evidence and synoptic links

Attachment, deprivation, cognitive, language, social and emotional development, child-research ethics and Issue 6 synthesis

Pair each developmental claim with selected evidence, method and a child-research ethical issue. Add one defensible issues-and-debates link, apply it to a new prompt and finish with a conditional judgement instead of reproducing a fixed essay.

Practise Topic E

One complete Unit 3 option

Criminological explanations and applications or Health stress, coping and treatment content

Choose the pathway taught by your centre and make it complete: explanation, selected evidence, method, practical value and limitation. Do not learn fragments of both options or use the unchosen Topic to fill a response.

Open the Unit 3 options

Clinical diagnosis-to-treatment chains

Diagnosis, schizophrenia, one additional disorder, explanations, treatments, studies and content analysis

Compare definitions or diagnostic systems before linking explanation to treatment and evidence. For schizophrenia and the selected additional disorder, evaluate reliability, validity, culture and method, then reach a judgement that matches the clinical context.

Practise Topic H

Methods and statistical decisions

Designs, sampling, hypotheses, data, inferential tests, significance, validity, reliability and ethics

Read the procedure and data clues before naming a design or test. Justify the selection, interpret significance in context and propose one repair for the stated validity, reliability or ethical weakness rather than listing generic evaluation points.

Practise Topic I

WPS04 cross-topic synthesis

Key questions, issues and debates, earlier Topics A–E and H, with the F/G exclusion

Build plans around a contestable claim, then retrieve evidence and methods from the permitted Topics and compare their explanatory reach. For Sections C–E exclude F and G, connect paragraphs through the issue and finish with a supported judgement.

Build an A2 practice set

Where to start

Start from a known Unit or diagnose whether the weakness is evidence, option scope, application, methods, statistics or synoptic judgement.

Choose your starting point

  1. I know the weak Topic

    Open its exact Topic route; in Unit 3 follow Developmental Psychology and only your selected Criminological or Health option.

    Browse Units 3–4

  2. I do not know what is weak

    Use mixed A2 questions to separate knowledge gaps from option confusion, clinical application, research decisions and synoptic evaluation.

    Start an A2 diagnostic

Choose the right IA2 starting point

  1. Explain the evidence chain

    Reconstruct the claim, mechanism, selected evidence, method and limits, then connect them to the exact applied or clinical context.

    Review a Concept

  2. Retrieve choices and decisions

    Recall option content, clinical comparisons, statistical rules and issues-and-debates links without notes, including where F or G is excluded.

    Check Mastery

  3. Apply, judge and repair

    Answer an unfamiliar stimulus or extended response, classify the first unsupported decision and repair it before attempting a nearby question.

    Practise A2 questions

Explore the Pearson Edexcel IA2 Psychology syllabus

Unit 3 contains compulsory Developmental Psychology plus either Criminological or Health Psychology. Unit 4 contains Clinical Psychology and Psychological Skills. Open one Unit at a time, keep your selected option complete and use the map as the course index.

2
syllabus groups
5
mapped topics

Unit 3: Applications of psychology

Open unit questions
Topic E: Developmental psychologyTopic F: Criminological psychologyTopic G: Health psychology

Unit 4: Clinical psychology and psychological skills

Open unit questions
Topic H: Clinical psychologyTopic I: Psychological skills

Pearson Edexcel International A2 Psychology assessment

The IA2 stage has two externally assessed written units. WPS03 tests Developmental Psychology and one application option; WPS04 combines Clinical Psychology with synoptic methods, key questions and issues and debates.

Paper / componentQuestionsTime% of grade
Unit 3 Applications of Psychology (WPS03/01)Two compulsory 32-mark sections: Developmental Psychology and one chosen option64 marksSection A is compulsory Developmental Psychology with short answers, one 8-mark developmental response and one 8-mark Issue 6 synoptic response. Section B is either Criminological Psychology or Health Psychology, with short answers and two 8-mark responses.How to prepare: Keep Developmental evidence and methods ready for unfamiliar prompts, then prepare one complete F or G pathway. Practise concise 8-mark planning that selects evidence, applies it to the command and reaches a judgement; the Developmental synoptic response may draw across the wider qualification.1 hour 30 minutes40% of IA2; 20% of IAL
Unit 4 Clinical Psychology and Psychological Skills (WPS04/01)Five compulsory sections covering Clinical Psychology and synoptic Psychological Skills96 marksSections A and B assess Clinical Psychology through 32 marks of short answers and one 16-mark response. Sections C–E assess research methods, an 8-mark key-question analysis and a 20-mark issues-and-debates response; these synoptic sections exclude optional Topics F and G.How to prepare: Build diagnosis-to-treatment evidence chains for Clinical Psychology and cumulative retrieval plans for methods, key questions and issues and debates. Rehearse the exact Sections C–E source rule: connect permitted earlier Topics, but do not use Criminological or Health Psychology as synoptic evidence there.2 hours60% of IA2; 30% of IAL

SourcePearson Edexcel · Pearson Edexcel International Advanced Subsidiary/Advanced Level in PsychologyYPS01 · WPS03/01 · WPS04/01 · Issue 6 · November 2024

Pearson Edexcel International A2 Psychology questions

No. Developmental Psychology is compulsory and you study either Criminological Psychology or Health Psychology as the second Unit 3 pathway. Both appear in the course map so each centre can reach its option, but your revision and WPS03 Section B preparation should follow only the option you were taught.

No. The A2 stage is assessed through WPS03 and WPS04. The full YPS01 International A Level cash-in combines results from all four units, so IAS knowledge remains relevant for synoptic work, but WPS01 and WPS02 should not appear as additional A2 exam components on this page.

No for Sections C–E. Pearson specifies that the research-methods, key-question and issues-and-debates synoptic sections draw across earlier material while excluding optional Topics F and G. This differs from the Issue 6 WPS03 Developmental synoptic response, which may draw on content, studies or methods across all topic areas.

Issue 6, published in November 2024, clarified the Unit 3 synoptic question and related cross-topic wording for assessments from January 2026. It did not create a new qualification: the course began in 2015, Unit 3 was first assessed in January 2017 and Unit 4 in June 2017.

Pearson supplies formulae and statistical tables and permits a compliant calculator. You must still identify the design and data, choose and justify the appropriate test, apply the decision rule and interpret significance in context. Use Pearson's current exam materials because amended tables apply from summer 2026 onward.