Current syllabus · first assessment 2016

A-Level Psychology AS Study Guide & Review

Prepare for Pearson Edexcel International AS Psychology by connecting explanations, selected named studies, research design and statistical interpretation across Social, Cognitive, Biological and Learning theories in WPS01 and WPS02.

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

How to study Pearson Edexcel International AS Psychology

Pearson Edexcel International AS Psychology requires WPS01 and WPS02 across Topics A–D. Use the XPS01 syllabus map to choose a Topic, then organise it through four recurring strands: psychological explanations, research methods, selected named evidence and the practical investigation. Build flexible evidence records with claim, mechanism, aim, design, result, theoretical use, method-linked limitation and conditional judgement so a changed stimulus or command word does not invalidate a memorised essay.

Rebuild the explanation or design principle in Concept and retrieve study evidence, variables and decision rules in Mastery without copying notes. Apply them through the Question Bank and identify the first unsupported application, vague study detail, wrong statistical test, unlinked evaluation or missing judgement. Repair that decision and retry a nearby stimulus before combining Topics under WPS01 or WPS02 timing.

Practise XPS01 by response behaviour

Use distinct routines for explanations and evidence, stimulus transfer, practical design, statistical decisions and cross-Topic synthesis across the four compulsory AS Topics.

Explanations and selected named evidence

Claims, mechanisms, classic studies, compulsory contemporary studies and one chosen additional study per Topic

Build a compact record containing the claim, mechanism, aim, design and sample, result, what it supports, one method-linked limitation and a conditional judgement. Retrieve different combinations for the question instead of reciting one fixed essay or treating every listed optional study as compulsory.

Practise Social Psychology

Stimulus and command-word transfer

Explain, compare, assess, evaluate, justify, interpret and to-what-extent responses

Identify the exact behaviour, claim or evidence in the stimulus, select the explanation or study that fits and apply specific details to that context. Shape the ending to the command: a supported judgement for evaluate or assess, and both similarity and difference for compare.

Practise Cognitive Psychology

Practical design and method repair

Questionnaire, repeated-measures experiment, correlation, observation, sampling, variables, controls and ethics

For each investigation, state the operationalised variables or co-variables, data, design, sampling, controls and ethical safeguards. Predict the likely bias or validity problem, then propose one feasible improvement that directly repairs the named weakness rather than listing generic strengths and limitations.

Practise Biological Psychology

Statistics as research decisions

Descriptive data, Wilcoxon, Spearman, chi-squared, tails, significance and observed-versus-critical rules

Classify the design and level of measurement before selecting Wilcoxon, Spearman or chi-squared. State hypotheses and tails where required, use the supplied formula or table correctly and conclude in psychological context without converting correlation into causation or non-significance into proof.

Practise Topic D methods

WPS02 cross-Topic synthesis

Biological Psychology, Learning theories and development, Unit 1 research methods and extended responses

Plan the 16-mark synthesis by deliberately selecting evidence from both Topic C and Topic D, then connect comparison or evaluation through a common issue rather than writing two isolated mini-essays. Use Unit 1 research methods when the stimulus requires design or quantitative reasoning.

Practise Unit 2

Where to start

Start from a known Topic or diagnose whether the recurring weakness is explanation, named evidence, stimulus application, research design, statistics, evaluation or extended-response judgement.

Choose your starting point

  1. I know the weak Topic

    Open its exact Unit destination and identify the first failed explanation, study detail, method choice, statistic, application or evaluative judgement.

    Browse Topics A–D

  2. I do not know what is weak

    Use mixed WPS01–WPS02 questions to separate knowledge gaps from stimulus, method, statistics, evaluation and extended-response failures.

    Start an IAS diagnostic

Choose the right XPS01 starting point

  1. Explain the psychological claim

    State the mechanism, predicted behaviour and boundary conditions, then connect the explanation to appropriate research evidence and an alternative account.

    Review a Concept

  2. Retrieve evidence and decisions

    Reproduce selected study details, design choices, statistical rules and evaluation points independently, preserving why each fact matters.

    Check Mastery

  3. Apply, judge and repair

    Answer an unfamiliar stimulus, link evidence to the command word and correct the earliest unsupported application, method choice or conclusion.

    Practise questions

Explore the four XPS01 Psychology Topics

XPS01 contains WPS01 Social and Cognitive Psychology and WPS02 Biological Psychology, Learning theories and development. Each Topic combines content and approaches, research methods, named studies and a practical investigation; use the Unit and Topic map as the starting index.

2
syllabus groups
4
mapped topics

Unit 1: Social and cognitive psychology

Open unit questions
Topic A: Social psychologyTopic B: Cognitive psychology

Unit 2: Biological psychology, learning theories and development

Open unit questions
Topic C: Biological psychologyTopic D: Learning theories and development

Pearson Edexcel International AS Psychology assessment

XPS01 has two compulsory externally assessed written units. WPS01 contributes 40% of IAS and WPS02 contributes 60%; formulae and statistical tables are supplied and compliant calculators may be used.

Paper / componentQuestionsTime% of grade
Unit 1 Social and cognitive psychology (WPS01/01)Three compulsory sections with short answers and extended open responses64 marksSection A Social Psychology and Section B Cognitive Psychology are each 26 marks with one 8-mark extended response. Section C is one 12-mark response on either Topic; content, studies and research methods may be applied through stimulus material.How to prepare: Prepare flexible explanation-and-evidence records for both Topics, then practise selecting the detail demanded by the stimulus and command word. Pair each theoretical claim with named evidence and a method-linked evaluation, and rehearse concise judgements rather than relying on one memorised essay.1 hour 30 minutes40% of IAS; 20% of IAL
Unit 2 Biological psychology, learning theories and development (WPS02/01)Three compulsory sections with short answers and extended open responses96 marksSection A Biological Psychology and Section B Learning theories and development are each 34 marks with one 8-mark response. Section C contains a 12-mark response on either Topic and a 16-mark response covering both; Unit 1 research methods may also be assessed.How to prepare: Train cross-Topic retrieval and synthesis: select evidence from Topics C and D, connect comparison or evaluation through the question and finish with a supported judgement. Keep practical-design and statistical choices active because WPS02 can require methods learned in Unit 1.2 hours60% of IAS; 30% of IAL

SourcePearson Edexcel · Pearson Edexcel International Advanced Subsidiary/Advanced Level in PsychologyXPS01 · Issue 6 · November 2024

Pearson Edexcel International AS Psychology questions

Each Topic has one classic study, one compulsory contemporary study and a choice of one from two further contemporary studies. Across Topics A–D, you prepare 12 selected named studies from 16 listed options, alongside other research embedded in the content. Confirm your selected option and do not treat all 16 as simultaneously compulsory.

No. The qualification was first examined in June 2016 and first certificated in August 2016. January 2026 is the first series using the Issue 6 amendments published in November 2024. Use current Issue 6 content and component guides, but keep the qualification lifecycle and amendment date distinct.

No. WPS01 and WPS02 are externally assessed written papers. The questionnaire, repeated-measures experiment, correlational study and observation develop decisions about design, sampling, operationalisation, ethics, analysis and evaluation that can be examined in written stimuli. Carry them out and understand the evidence, but do not invent an internal-assessment weighting.

Yes. Pearson supplies the Appendix 7 formulae and statistical tables in each paper and permits compliant calculators. You must still identify the design and level of measurement, select Wilcoxon, Spearman or chi-squared appropriately, use the correct observed-versus-critical rule and interpret significance in context. Calculator restrictions prohibit communication and retrievable text or formula storage.

XPS01 consists of WPS01 and WPS02 and may be certificated separately. Full YPS01 requires all four units, adding IA2 WPS03 and WPS04. Units may be banked across available series, but the appropriate cash-in entry is required for Pearson to issue the qualification grade.