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Cambridge International · A Level

Psychology,
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Specification 9990. Explore a topic, practise the skill, and see where to focus next.

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960original questions
96mapped areas
Cambridge International · 9990
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Try three different Psychology skills from this Cambridge International route. See what went right, understand a mistake, and find a useful next step.

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96 areas
01Diagnostic criteria for schizophrenia
Specification reference: 1.1.1

Participants reporting persecution showed greater vulnerability and anxiety, supporting a cognitive-affective contribution to interpreting neutral situations as threatening.

Watch for: Do not describe a study or theory for Diagnostic criteria for schizophrenia without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

02Explanations of schizophrenia
Specification reference: 1.1.2

A systematic relationship between genetic relatedness and concordance is consistent with heritable vulnerability, although shared environments remain relevant.

Watch for: Do not describe a study or theory for Explanations of schizophrenia without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

03Treatment and management of schizophrenia
Specification reference: 1.1.3

Antipsychotic benefit supports dopamine involvement and CBT benefit supports cognitive processes, but neither establishes a single exclusive aetiology.

Watch for: Do not describe a study or theory for Treatment and management of schizophrenia without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

04Diagnostic criteria for mood disorders
Specification reference: 1.2.1

A depression scale can quantify current low-mood symptoms but cannot establish the longitudinal pattern distinguishing bipolar disorder.

Watch for: Do not describe a study or theory for Diagnostic criteria for mood disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

05Explanations of mood disorders
Specification reference: 1.2.2

This expectation can reduce effort and contribute to passivity, especially when negative events are attributed internally, stably and globally.

Watch for: Do not describe a study or theory for Explanations of mood disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

06Treatment and management of mood disorders
Specification reference: 1.2.3

Reduced reuptake increases transmitter availability at synapses, although tricyclics also affect other receptors and can cause significant adverse effects.

Watch for: Do not describe a study or theory for Treatment and management of mood disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

07Diagnostic criteria for impulse control disorders
Specification reference: 1.3.1

Tension often rises before stealing and relief or gratification follows afterwards, distinguishing the recurrent clinical pattern from ordinary theft for practical gain.

Watch for: Do not describe a study or theory for Diagnostic criteria for impulse control disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

08Explanations of impulse control disorders
Specification reference: 1.3.2

A proper formulation tests which mechanisms apply to the person rather than assuming dopamine, reinforcement or feeling-state theory universally.

Watch for: Do not describe a study or theory for Explanations of impulse control disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

09Treatment and management of impulse control disorders
Specification reference: 1.3.3

The analysis sought clinical predictors of response because medication outcomes varied substantially among people with pathological gambling.

Watch for: Do not describe a study or theory for Treatment and management of impulse control disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

10Diagnostic criteria for anxiety and fear-related disorders
Specification reference: 1.4.1

The trigger reliably provokes anxiety and interferes with functioning despite danger being absent or much smaller than perceived.

Watch for: Do not describe a study or theory for Diagnostic criteria for anxiety and fear-related disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

11Explanations of fear-related disorders
Specification reference: 1.4.2

Freud's case interpretation illustrates unconscious symbolism, but alternative learning explanations and retrospective bias reduce testability.

Watch for: Do not describe a study or theory for Explanations of fear-related disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

12Treatment and management of anxiety and fear-related disorders
Specification reference: 1.4.3

Exposure, cognitive work, therapeutic support and applied tension occurred together, while spontaneous change cannot be excluded completely.

Watch for: Do not describe a study or theory for Treatment and management of anxiety and fear-related disorders without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

13Diagnostic criteria for obsessive-compulsive disorder
Specification reference: 1.5.1

Standard scoring supports quantitative change assessment across medication or psychological therapy while preserving separate obsession and compulsion ratings.

Watch for: Do not describe a study or theory for Diagnostic criteria for obsessive-compulsive disorder without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

14Explanations of obsessive-compulsive disorder
Specification reference: 1.5.2

The association supports serotonin involvement, while delayed response and non-response show that medication action is not complete causal proof.

Watch for: Do not describe a study or theory for Explanations of obsessive-compulsive disorder without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

15Treatment and management of obsessive-compulsive disorder
Specification reference: 1.5.3

Medication changes serotonin signalling over time, though response and adverse effects vary and symptoms may persist without psychological work.

Watch for: Do not describe a study or theory for Treatment and management of obsessive-compulsive disorder without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

16Retail store design
Specification reference: 2.1.1

Virtual environments allow controlled comparisons and behavioural measures without rebuilding a real store, strengthening causal inference about design variables.

Watch for: Do not describe a study or theory for Retail store design without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

17Sound and consumer behaviour
Specification reference: 2.1.2

Higher expenditure under classical music was especially evident for starters, coffee, total food and overall spend, supporting an atmospheric effect.

Watch for: Do not describe a study or theory for Sound and consumer behaviour without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

18Retail atmospherics
Specification reference: 2.1.3

The model describes affective responses to environments along pleasantness, activation and perceived control, which can influence approach or avoidance.

Watch for: Do not describe a study or theory for Retail atmospherics without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

19Environmental influences on consumers
Specification reference: 2.2.1

Successful wayfinding combines environmental information with the consumer's knowledge and decisions as they move through a complex setting.

Watch for: Do not describe a study or theory for Environmental influences on consumers without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

20Menu design psychology
Specification reference: 2.2.2

Holding wording, price and appearance constant isolates position, while actual choices provide a stronger dependent measure than preference ratings alone.

Watch for: Do not describe a study or theory for Menu design psychology without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

21Consumer behaviour and personal space
Specification reference: 2.2.3

More than one thousand American respondents evaluated seating situations that varied table spacing and dining context rather than eating in a real restaurant.

Watch for: Do not describe a study or theory for Consumer behaviour and personal space without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

22Consumer decision-making
Specification reference: 2.3.1

Useful interfaces help consumers apply their chosen criteria, whereas hidden costs or confusing defaults can distort rather than assist choice.

Watch for: Do not describe a study or theory for Consumer decision-making without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

23Choice heuristics
Specification reference: 2.3.2

A consumer may ignore base rates because a product or person resembles a familiar stereotype, producing a quick but potentially biased judgment.

Watch for: Do not describe a study or theory for Choice heuristics without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

24Mistakes in decision-making
Specification reference: 2.3.3

Participants sometimes justified a switched outcome, so confidence and verbal detail do not guarantee an accurate record of the original decision.

Watch for: Do not describe a study or theory for Mistakes in decision-making without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

25Packaging and positioning of a product
Specification reference: 2.4.1

The field location exposed consumers to package designs and yoghurt tasting in a shopping-related environment rather than a conventional laboratory.

Watch for: Do not describe a study or theory for Packaging and positioning of a product without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

26Selling the product
Specification reference: 2.4.2

Comparison can clarify differentiation, but inaccurate or excessively negative claims can reduce trust and create ethical or legal concerns.

Watch for: Do not describe a study or theory for Selling the product without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

27Buying the product
Specification reference: 2.4.3

A discrepancy between the current and desired state motivates information search and possible purchase rather than choice occurring without a perceived need.

Watch for: Do not describe a study or theory for Buying the product without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

28Types of advertising and advertising techniques
Specification reference: 2.5.1

EEG can detect rapid changes associated with attention or engagement, but inverse inference from a signal to a specific mental state is uncertain.

Watch for: Do not describe a study or theory for Types of advertising and advertising techniques without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

29Advertising-consumer interaction
Specification reference: 2.5.2

High self-monitors adapt outward behaviour to context, whereas low self-monitors place relatively greater weight on internal values and dispositions.

Watch for: Do not describe a study or theory for Advertising-consumer interaction without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

30Brand awareness and recognition
Specification reference: 2.5.3

Awareness places a brand in the consumer's consideration set but does not by itself show positive evaluation, trust or purchase intention.

Watch for: Do not describe a study or theory for Brand awareness and recognition without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

31Practitioner and patient interpersonal skills
Specification reference: 3.1.1

Teach-back tests the clarity of the practitioner's explanation rather than blaming the patient, allowing misunderstandings to be corrected immediately.

Watch for: Do not describe a study or theory for Practitioner and patient interpersonal skills without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

32Patient and practitioner diagnosis and style
Specification reference: 3.1.2

The difference was strongest for physical problems and consultations involving a prescription, while several other subgroups showed no significant style difference.

Watch for: Do not describe a study or theory for Patient and practitioner diagnosis and style without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

33Misusing health services
Specification reference: 3.1.3

Assessment requires corroborated evidence and attention to differential explanations rather than treating unusual presentation as proof of deception.

Watch for: Do not describe a study or theory for Misusing health services without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

34Types and reasons for non-adherence
Specification reference: 3.2.1

The patient may intend to comply but lack memory, resources, dexterity or clear instructions, requiring different intervention from belief change.

Watch for: Do not describe a study or theory for Types and reasons for non-adherence without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

35Measuring non-adherence
Specification reference: 3.2.2

A dose taken shortly before testing can conceal earlier missed doses, while rapid clearance can make a compliant patient appear negative.

Watch for: Do not describe a study or theory for Measuring non-adherence without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

36Improving adherence
Specification reference: 3.2.3

Although incentives produced the largest effect, targeted prompts improved attendance at lower cost, distinguishing efficacy from economic efficiency.

Watch for: Do not describe a study or theory for Improving adherence without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

37Types and theories of pain
Specification reference: 3.3.1

Activity in different nerve fibres and descending brain signals can open or close the gate, integrating biological and psychological influence.

Watch for: Do not describe a study or theory for Types and theories of pain without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

38Measuring pain
Specification reference: 3.3.2

Independent ratings allowed agreement and systematic differences between informants to be quantified without direct consultation.

Watch for: Do not describe a study or theory for Measuring pain without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

39Managing and controlling pain
Specification reference: 3.3.3

Proposed effects include neural modulation and endogenous pain-control mechanisms, while outcomes depend on condition and credible control comparison.

Watch for: Do not describe a study or theory for Managing and controlling pain without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

40Sources of stress
Specification reference: 3.4.1

The pattern was linked with stress and coronary risk, though hostility appears more informative than treating Type A as one uniform category.

Watch for: Do not describe a study or theory for Sources of stress without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

41Measures of stress
Specification reference: 3.4.2

Circadian cortisol change covaries with group membership, preventing the difference from being attributed confidently to the intended stress condition.

Watch for: Do not describe a study or theory for Measures of stress without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

42Managing stress
Specification reference: 3.4.3

The client understands stress responses, learns coping tools and finally practises applying them to progressively demanding situations.

Watch for: Do not describe a study or theory for Managing stress without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

43Strategies for promoting health
Specification reference: 3.5.1

A controlled longitudinal design separates campaign change from baseline differences and general trends more effectively than one post-campaign survey.

Watch for: Do not describe a study or theory for Strategies for promoting health without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

44Health promotion in schools and worksites
Specification reference: 3.5.2

Organisations can combine education, screening, facilities and policy while reaching people who may not attend separate programmes.

Watch for: Do not describe a study or theory for Health promotion in schools and worksites without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

45Individual factors in changing health beliefs
Specification reference: 3.5.3

The intervention also reduced interpersonal-sensitivity symptoms, consistent with building wellbeing resources rather than targeting one disorder.

Watch for: Do not describe a study or theory for Individual factors in changing health beliefs without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

46Need theories of motivation
Specification reference: 4.1.1

Influence can benefit the organisation when directed toward shared purpose, whereas personalised power prioritises the leader's status.

Watch for: Do not describe a study or theory for Need theories of motivation without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

47Cognitive theories of motivation
Specification reference: 4.1.2

Goals direct attention, mobilise effort and persistence, and encourage strategy development when ability and resources are adequate.

Watch for: Do not describe a study or theory for Cognitive theories of motivation without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

48Motivators at work
Specification reference: 4.1.3

Recognition framed as appreciation can support autonomy, whereas language implying pressure can frustrate needs and alter motivation.

Watch for: Do not describe a study or theory for Motivators at work without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

49Traditional and modern theories of leadership
Specification reference: 4.2.1

The approach emphasises individual traits and historical figures but underestimates learning, followers and situational opportunity.

Watch for: Do not describe a study or theory for Traditional and modern theories of leadership without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

50Leadership style
Specification reference: 4.2.2

Public leadership addresses groups, private leadership develops individuals, and personal leadership concerns the leader's inner mastery.

Watch for: Do not describe a study or theory for Leadership style without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

51Leaders and followers
Specification reference: 4.2.3

Passive followers wait for direction and contribute little initiative, often reflecting both personal and organisational conditions.

Watch for: Do not describe a study or theory for Leaders and followers without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

52Group development and decision-making
Specification reference: 4.3.1

Pressure for unanimity suppresses critical evaluation, alternatives and dissent, especially in cohesive insulated groups with directive leadership.

Watch for: Do not describe a study or theory for Group development and decision-making without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

53Individual and group performance
Specification reference: 4.3.2

The result extends social facilitation to electronic presence, though a student laboratory task may not reproduce actual employment monitoring.

Watch for: Do not describe a study or theory for Individual and group performance without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

54Conflict at work
Specification reference: 4.3.3

Differences in goals, communication, personality or resource claims can create opposition between colleagues or a worker and manager.

Watch for: Do not describe a study or theory for Conflict at work without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

55Physical work conditions
Specification reference: 4.4.1

Complex tasks and unpredictable uncontrollable noise are particularly vulnerable, while familiar moderate sound may have smaller effects.

Watch for: Do not describe a study or theory for Physical work conditions without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

56Temporal conditions of work environments
Specification reference: 4.4.2

Rapid rotation limits prolonged adaptation to one night pattern but repeatedly changes sleep timing and can still disrupt recovery.

Watch for: Do not describe a study or theory for Temporal conditions of work environments without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

57Health and safety
Specification reference: 4.4.3

The three-year project sought organisational learning from both accidents and near-risk events rather than relying only on injury totals.

Watch for: Do not describe a study or theory for Health and safety without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

58Theories of job satisfaction
Specification reference: 4.5.1

Pay, policy, supervision and working conditions can cause dissatisfaction when poor, yet improvement is not equivalent to meaningful motivation.

Watch for: Do not describe a study or theory for Theories of job satisfaction without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

59Measuring job satisfaction
Specification reference: 4.5.2

Greater psychological safety can reduce socially desirable answers, although employees must trust that identification is genuinely impossible.

Watch for: Do not describe a study or theory for Measuring job satisfaction without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

60Attitudes to work
Specification reference: 4.5.3

Low attachment on both dimensions is expected to relate to greater withdrawal, though absence also reflects health and external constraints.

Watch for: Do not describe a study or theory for Attitudes to work without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

61A Level issues and debates
Specification reference: AL-ID

Participants elsewhere may receive low or unusual scores because the instrument is culturally inappropriate rather than because the construct differs.

Watch for: Do not describe a study or theory for A Level issues and debates without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

62Dement and Kleitman: sleep and dreams
Specification reference: AS-BIO-1

The researchers linked physiological recordings with recall, perceived duration and dream content to investigate when and how dreaming occurs.

Watch for: Do not describe a study or theory for Dement and Kleitman: sleep and dreams without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

63Hassett et al.: monkey toy preferences
Specification reference: AS-BIO-2

Comparable behaviour can suggest a mechanism, but monkey interaction with objects is not identical to children's symbolic and culturally shaped play.

Watch for: Do not describe a study or theory for Hassett et al.: monkey toy preferences without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

64Hölzel et al.: mindfulness and brain scans
Specification reference: AS-BIO-3

The control group was scanned across a comparable interval without completing MBSR, helping distinguish programme-related change from time or repeated scanning.

Watch for: Do not describe a study or theory for Hölzel et al.: mindfulness and brain scans without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

65Andrade: doodling
Specification reference: AS-COG-1

Complex drawing, interesting lectures and self-chosen doodles may demand different attention, so the operationalisation limits broader claims.

Watch for: Do not describe a study or theory for Andrade: doodling without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

66Baron-Cohen et al.: eyes test
Specification reference: AS-COG-2

Diagnosis requires broader developmental and clinical evidence, while one psychometric score can contain measurement error and individual variation.

Watch for: Do not describe a study or theory for Baron-Cohen et al.: eyes test without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

67Pozzulo et al.: line-ups
Specification reference: AS-COG-3

Cartoon characters reduced memory difficulty because children already knew them, allowing social demands in line-up decisions to be examined.

Watch for: Do not describe a study or theory for Pozzulo et al.: line-ups without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

68AS Level issues and debates
Specification reference: AS-ID

Cambridge evaluation rewards developed reasoning that shows when an issue matters rather than an unsupported nature, nurture, individual or situational label.

Watch for: Do not describe a study or theory for AS Level issues and debates without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

69Bandura et al.: aggression
Specification reference: AS-LEARN-1

The procedure risked distress or increased aggression, and children could not provide adult-level informed consent or understand long-term effects.

Watch for: Do not describe a study or theory for Bandura et al.: aggression without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

70Fagen et al.: elephant learning
Specification reference: AS-LEARN-2

A conditioned signal marked correct behaviour and was followed by a valued primary reward, allowing gradual shaping of the trunk-wash sequence.

Watch for: Do not describe a study or theory for Fagen et al.: elephant learning without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

71Saavedra and Silverman: button phobia
Specification reference: AS-LEARN-3

The case gives rich clinically useful evidence, but there is no large comparison group and treatment components cannot be isolated confidently.

Watch for: Do not describe a study or theory for Saavedra and Silverman: button phobia without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

72Milgram: obedience
Specification reference: AS-SOC-1

Participants believed they harmed another person and standard prods challenged autonomous withdrawal, even though they were later debriefed.

Watch for: Do not describe a study or theory for Milgram: obedience without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

73Perry et al.: personal space
Specification reference: AS-SOC-2

The chosen stopping position operationalised personal-space preference as a measurable distance within a standardised computer-based approach-avoidance context.

Watch for: Do not describe a study or theory for Perry et al.: personal space without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

74Piliavin et al.: subway Samaritans
Specification reference: AS-SOC-3

The confined emergency often produced rapid direct action, contrasting with the prediction that more witnesses necessarily reduce helping.

Watch for: Do not describe a study or theory for Piliavin et al.: subway Samaritans without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

75Experiments and experimental designs
Specification reference: RM-01

Practice or fatigue from condition A may change performance in B, so the condition difference may not be caused by the manipulation.

Watch for: Do not describe a study or theory for Experiments and experimental designs without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

76Questionnaires
Specification reference: RM-02

Leading wording creates response bias because respondents may follow the implied preference rather than report their genuine view.

Watch for: Do not describe a study or theory for Questionnaires without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

77Interviews
Specification reference: RM-03

Consistent technique limits interviewer effects and improves reliability because participants receive comparable questions, probes and non-verbal treatment.

Watch for: Do not describe a study or theory for Interviews without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

78Case studies
Specification reference: RM-04

Rare or ethically inaccessible experiences can be documented in depth, generating hypotheses and clinical understanding.

Watch for: Do not describe a study or theory for Case studies without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

79Observations
Specification reference: RM-05

Precise, observable and non-overlapping categories reduce subjective judgement, prevent double-coding and support strong inter-observer reliability.

Watch for: Do not describe a study or theory for Observations without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

80Correlations
Specification reference: RM-06

Researchers can study age, diagnosis or life experience without assigning participants to potentially harmful conditions.

Watch for: Do not describe a study or theory for Correlations without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

81Longitudinal studies
Specification reference: RM-07

Repeated evidence reveals developmental or treatment trajectories that a single cross-sectional measurement cannot show.

Watch for: Do not describe a study or theory for Longitudinal studies without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

82Aims and basic hypotheses
Specification reference: RM-08

Pre-specifying the hypothesis reduces hindsight bias, makes the test transparent and distinguishes a genuine prediction from a post-hoc description.

Watch for: Do not describe a study or theory for Aims and basic hypotheses without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

83Variables and operationalisation
Specification reference: RM-09

Anxiety could be measured by a named scale, behaviour or physiological response, and those choices may yield different evidence.

Watch for: Do not describe a study or theory for Variables and operationalisation without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

84Controls and standardisation
Specification reference: RM-10

A standardised protocol reduces unwanted procedural variation, improves comparison between participants and enables more accurate replication by other researchers.

Watch for: Do not describe a study or theory for Controls and standardisation without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

85Quantitative and qualitative data
Specification reference: RM-11

A defined count, time or physiological measure can be checked independently and is less dependent on a researcher's judgement.

Watch for: Do not describe a study or theory for Quantitative and qualitative data without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

86Sampling and generalisation
Specification reference: RM-12

The first concerns representativeness, while the second reduces systematic group differences within an experiment.

Watch for: Do not describe a study or theory for Sampling and generalisation without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

87Ethics in human research
Specification reference: RM-13

Confidential handling prevents unauthorised disclosures while allowing approved researchers to use protected data for the agreed research purpose.

Watch for: Do not describe a study or theory for Ethics in human research without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

88Ethics in animal research
Specification reference: RM-14

Refinement improves animal welfare through less invasive techniques, careful monitoring, appropriate enrichment and predefined humane stopping endpoints.

Watch for: Do not describe a study or theory for Ethics in animal research without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

89Validity
Specification reference: RM-15

The result can reflect compliance or resistance to perceived expectations rather than the psychological process being studied.

Watch for: Do not describe a study or theory for Validity without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

90Reliability and replicability
Specification reference: RM-16

Detailed standardised methods, accessible materials and transparent operational definitions allow an independent researcher to repeat the investigation accurately.

Watch for: Do not describe a study or theory for Reliability and replicability without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

91Data analysis and presentation
Specification reference: RM-17

Discrete categories are represented by separate bars because adjacent categories are not continuous numerical intervals and therefore require visible gaps.

Watch for: Do not describe a study or theory for Data analysis and presentation without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

92Randomised controlled trials
Specification reference: RM-18

The design reduces selection bias and alternative-treatment explanations, strengthening internal validity and confidence that the intervention caused the difference.

Watch for: Do not describe a study or theory for Randomised controlled trials without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

93Postal questionnaires and rating scales
Specification reference: RM-19

Ambiguous anchors allow respondents to invent different personal scales, reducing comparability, measurement reliability and the validity of resulting scores.

Watch for: Do not describe a study or theory for Postal questionnaires and rating scales without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

94Psychometric tests
Specification reference: RM-20

Clinical interpretation should combine the score with validity evidence, individual context, interview information and an appropriately qualified professional assessment.

Watch for: Do not describe a study or theory for Psychometric tests without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

95Null, directional and non-directional hypotheses
Specification reference: RM-21

The null provides a precise no-effect statement against which the observed evidence and the researcher's alternative prediction can be tested.

Watch for: Do not describe a study or theory for Null, directional and non-directional hypotheses without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

96Temporal validity
Specification reference: RM-22

Ecological validity concerns real-life representation; temporal validity concerns whether that representation persists across time.

Watch for: Do not describe a study or theory for Temporal validity without applying or evaluating it. Separate what the evidence shows from what can reasonably be concluded.

The details, when you need them.

Your exact course

Cambridge International · A Level · Psychology · 9990

current syllabus checked July 2026

Source checked: 2026-07-30. The current official specification controls assessment requirements and option choices.

Can parents and students try LearningP before signing up?

Yes. This page offers three original questions from three different skills on this exact course. Each answer has an explanation, followed by a sample heatmap showing what was correct and what to revisit. No account is needed, and taster answers are not saved.

What does the three-question heatmap tell a parent?

It shows the outcome of these three answers and gives a specific skill to discuss or practise next. It is not a full assessment, a mastery score or a grade prediction. Broader practice over time is needed to understand progress.

What does the Cambridge International A Level Psychology route cover?

LearningP currently maps 96 assessed areas for specification 9990. The visible topic map below is derived from the verified route; the current official specification remains controlling.

How many LearningP questions support this route?

The verified source bank contains 960 original LearningP question records for this route. Every mapped area meets the current publication minimum and passed the latest blocker and review audit.

Does LearningP reproduce official exam questions?

No. LearningP uses official specifications and assessment materials to map content and demand, while its practice questions and explanations are independently authored.

Can this page predict an exam grade?

No. LearningP reports practice evidence, coverage, strengths and gaps. It does not guarantee or automatically predict examination outcomes.

Where should current assessment information be checked?

Use the official Cambridge International specification and assessment-resource pages linked on this page, together with information supplied by the learner’s school.

ONE USEFUL NEXT STEP

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