Option 1 study guide

Option 1 study guide

What this topic covers

These optional topics extend analysis of interpersonal, gender and developmental psychology. Use the guide to organise the topic into AO1 knowledge, AO2 application and AO3 evaluation. The aim is to move from recognising terms to writing evidence-based psychological explanations.

Required learning objectives

• Explain factors affecting attraction in romantic relationships, including self-disclosure, physical attractiveness, the matching hypothesis and filter theory.
• Explain theories of romantic relationships, including social exchange theory, equity theory and Rusbult's investment model.
• Explain Duck's phase model of relationship breakdown.
• Explain online relationships using self-disclosure, deception and absence of gating.
• Explain parasocial relationships, including levels of parasocial relationships, absorption addiction model and attachment theory explanation.
• Explain the role of chromosomes and hormones in biological sex.
• Explain diversity in sex development, including androgen insensitivity syndrome, Klinefelter's syndrome and Turner syndrome.
• Explain gender identities, including binary, non-binary and gender fluid identities.
• Explain measurement of gender using the Bem Sex Role Inventory.
• Explain biological explanations of gender development using chromosomes and hormones.
• Explain cognitive explanations of gender development, including Kohlberg's theory and Martin and Halverson's gender schema theory.
• Explain social learning theory as applied to gender development, including the influence of culture and media.
• Explain biological and social or cultural explanations of gender incongruence.
• Explain Piaget's theory of cognitive development, including schemas, assimilation, accommodation, equilibration and stages of intellectual development.
• Explain characteristics of Piagetian stages, including object permanence, conservation, egocentrism and class inclusion.
• Explain Vygotsky's theory of cognitive development, including the zone of proximal development and scaffolding.
• Explain Baillargeon's explanation of early infant abilities and violation of expectation research.
• Explain the development of social cognition, including Selman's levels of perspective-taking, theory of mind and the Sally-Anne study.
• Explain the role of the mirror neuron system in social cognition.

Subtopic walkthrough

Relationships

Relationships should be revised by first securing AO1 knowledge: definitions, theories, studies, methods, treatments or data concepts. Then practise AO2 by applying the idea to a scenario or data context where relevant. For AO3, write evaluation that explains why the evidence matters. Useful evaluation routes include validity, reliability, bias, ethics, generalisability, practical application, reductionism, determinism and comparison with alternative explanations. A strong Psychology answer should end with a judgement or implication. Do not leave evaluation as a label such as "low validity" without explaining how that affects the conclusion.

Gender

Gender should be revised by first securing AO1 knowledge: definitions, theories, studies, methods, treatments or data concepts. Then practise AO2 by applying the idea to a scenario or data context where relevant. For AO3, write evaluation that explains why the evidence matters. Useful evaluation routes include validity, reliability, bias, ethics, generalisability, practical application, reductionism, determinism and comparison with alternative explanations. A strong Psychology answer should end with a judgement or implication. Do not leave evaluation as a label such as "low validity" without explaining how that affects the conclusion.

Cognition and development

Cognition and development should be revised by first securing AO1 knowledge: definitions, theories, studies, methods, treatments or data concepts. Then practise AO2 by applying the idea to a scenario or data context where relevant. For AO3, write evaluation that explains why the evidence matters. Useful evaluation routes include validity, reliability, bias, ethics, generalisability, practical application, reductionism, determinism and comparison with alternative explanations. A strong Psychology answer should end with a judgement or implication. Do not leave evaluation as a label such as "low validity" without explaining how that affects the conclusion.

How to revise this topic

Build one-page summaries for each subtopic using the same structure: concept, theory or study, evidence, application, evaluation and exam focus. For research-method content, add method, sample, design, validity, reliability and ethical issues. For statistics, add the decision rule and the conclusion.

Exam strategy

Read the command word first. Describe or outline questions mainly test AO1. Apply questions need AO2 and must use the scenario or data. Evaluate or discuss questions need AO3, so every evaluation point should explain why the strength, limitation or evidence issue affects the conclusion.

Evidence and evaluation model

A strong Psychology paragraph should work like a chain. Start with a clear psychological claim. Add evidence from a named study, method, treatment, theory or data pattern. Explain what the evidence shows. Then judge the strength of the claim by referring to validity, reliability, bias, ethics, generalisability, practical application or an alternative explanation. This prevents evaluation becoming a list of labels.

Application model

When a question includes a stem or data, identify the exact detail that matters before explaining the concept. For example, if the stem describes behaviour, link the behaviour to the psychological process. If it provides results, link the result to the conclusion that can and cannot be drawn. If it presents a treatment issue, separate effectiveness from appropriateness so the answer does not drift into a general description.

Writing model

Use one idea per paragraph. Begin with the concept, then add evidence and explain the implication. Avoid sentences that only say a study is strong, weak, useful or flawed. Replace them with sentences that explain why the feature changes confidence in the conclusion. This is especially important in extended answers, where marks depend on sustained reasoning rather than topic recognition.

Worked revision checklist

• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain factors affecting attraction in romantic relationships, including self-disclosure, physical attractiveness, the matching hypothesis and filter theory.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain theories of romantic relationships, including social exchange theory, equity theory and Rusbult's investment model.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain Duck's phase model of relationship breakdown.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain online relationships using self-disclosure, deception and absence of gating.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain parasocial relationships, including levels of parasocial relationships, absorption addiction model and attachment theory explanation.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain the role of chromosomes and hormones in biological sex.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain diversity in sex development, including androgen insensitivity syndrome, Klinefelter's syndrome and Turner syndrome.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain gender identities, including binary, non-binary and gender fluid identities.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain measurement of gender using the Bem Sex Role Inventory.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain biological explanations of gender development using chromosomes and hormones.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain cognitive explanations of gender development, including Kohlberg's theory and Martin and Halverson's gender schema theory.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain social learning theory as applied to gender development, including the influence of culture and media.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain biological and social or cultural explanations of gender incongruence.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain Piaget's theory of cognitive development, including schemas, assimilation, accommodation, equilibration and stages of intellectual development.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain characteristics of Piagetian stages, including object permanence, conservation, egocentrism and class inclusion.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain Vygotsky's theory of cognitive development, including the zone of proximal development and scaffolding.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain Baillargeon's explanation of early infant abilities and violation of expectation research.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain the development of social cognition, including Selman's levels of perspective-taking, theory of mind and the Sally-Anne study.
• Can I answer this with AO1 knowledge and at least one evidence-based AO3 point: Explain the role of the mirror neuron system in social cognition.

Common pitfalls

Avoid study-name dumping, vague evaluation, unsupported opinion and confusing correlation with causation. Keep explanation and treatment separate in clinical topics, and keep effectiveness and appropriateness separate when judging therapies or interventions.

Final exam reminder

AQA A-level Psychology rewards precise psychological terminology, clear evidence and evaluation that reaches a reasoned conclusion. Strong answers are built from claim, evidence, explanation and judgement.

Readiness check

A student is ready for this topic when they can define the main terms, apply them to a short unfamiliar context and evaluate at least one piece of evidence without using generic wording. If the answer only names a study, add what the study shows. If it only names a limitation, add why the limitation matters. If it only describes behaviour, add the psychological explanation or evidence route that makes the answer analytical.

How to practise answers

Practise in three passes. First, write a short AO1 answer that defines the concept and uses the correct term. Second, add AO2 by applying the idea to a scenario, result or data pattern. Third, add AO3 by judging evidence or method quality. This sequence helps students see which part of the answer is doing which job. It also makes weaknesses easier to diagnose: missing definitions are AO1 problems, unused scenarios are AO2 problems, and unsupported judgements are AO3 problems.

How to compare ideas

Some Psychology questions require direct comparison. A comparison should not describe one idea and then separately describe another. It should use comparative language such as whereas, however or in contrast, and it should compare the same feature in both ideas. For example, compare the type of evidence, the method, the explanation of behaviour, the treatment aim or the strength of the conclusion. This keeps comparison analytical rather than becoming two disconnected mini essays.

How to avoid generic evaluation

Generic evaluation often sounds fluent but does not earn much credit. Phrases such as low validity, biased sample or limited evidence need an explanation of impact. A stronger sentence explains why the issue changes the conclusion. If a sample is biased, say how that limits generalisation. If a method lacks control, say how that affects causal inference. If evidence is consistent, say how that increases confidence in the psychological claim.