AS Level Psychology 9990

AS Level Psychology
Cambridge International AS Level Psychology 9990 is a one-year qualification that introduces students to the scientific study of human behaviour, cognition, and emotion through four psychological approaches and twelve landmark research studies, providing a strong foundation for progression to the full A Level Psychology qualification or for university applications where AS Level grades are accepted alongside other qualifications. AS Level Psychology 9990 is administered by Cambridge International Education and covers the biological approach including studies on sleep and dreams, sex differences, and mindfulness; the cognitive approach including studies on memory, theory of mind, and eyewitness identification; the learning approach including studies on aggression, animal learning, and phobia treatment; and the social approach including studies on obedience, personal space, and bystander behaviour. Students also develop comprehensive research methodology skills covering experiments, self-reports, case studies, observations, correlations, and longitudinal studies, along with data analysis, ethics, validity, and reliability. The AS Level requires approximately 180 guided learning hours across one academic year and is assessed through two externally examined papers totalling 120 marks. AS Level Psychology is graded A to E. No previous study of psychology is expected. The syllabus is valid for examinations in 2027.

The Syllabus of AS Level Psychology 9990:

The Cambridge International AS Level Psychology 9990 syllabus covers four psychological approaches illustrated through twelve core studies, plus comprehensive research methodology training. The AS Level requires approximately 180 guided learning hours across one academic year. No previous study of psychology is expected. Examinations are available in the June and November series worldwide and the March series in India. The syllabus is valid for examinations in 2027.

  • Biological Approach: the assumption that behaviour, cognitions, and emotions can be explained by brain function, hormones, genetics, and evolution. Core studies: Dement and Kleitman investigating the relationship between REM sleep and dreaming using EEG recordings, Hassett et al. examining sex differences in monkey toy preferences using behavioural observation, and Hölzel et al. investigating how mindfulness meditation changes brain structure using MRI scans and longitudinal design.
  • Cognitive Approach: the assumption that information is processed through input, processing, and output stages like a computer. Core studies: Andrade testing whether doodling improves concentration and memory retention in a laboratory experiment, Baron-Cohen et al. investigating theory of mind deficits using the reading the mind in the eyes test with participants on the autism spectrum, and Pozzulo et al. examining children and adults' accuracy in eyewitness identification using line-up experiments.
  • Learning Approach: the assumption that behaviour is shaped by the environment through classical conditioning, operant conditioning, and social learning. Core studies: Bandura et al. testing whether children imitate aggressive behaviour observed in adults through social learning, Fagen et al. investigating positive reinforcement training effectiveness in working elephants using behavioural observation, and Saavedra and Silverman treating a child's button phobia through classical conditioning techniques.
  • Social Approach: the assumption that behaviour is influenced by social contexts, environments, and the actual, implied, or imagined presence of others. Core studies: Milgram investigating the conflict between obedience to authority and personal conscience in a laboratory setting, Perry et al. investigating personal space with focus on empathy and oxytocin effects, and Piliavin et al. testing bystander helping behaviour in a real-world New York subway field experiment.
  • Research Methods: experiments (laboratory and field), self-reports (questionnaires and interviews), case studies, observations (overt, covert, participant, non-participant, naturalistic, controlled), correlations (positive, negative, strength), longitudinal studies, hypotheses (null, alternative, directional, non-directional), variables (independent, dependent), sampling (opportunity, random, volunteer), ethics (informed consent, right to withdraw, confidentiality, debriefing), validity (ecological, demand characteristics, generalisability), reliability (inter-rater, test-retest), and data analysis (measures of central tendency, measures of spread, graphical representations).

Assessment consists of two externally examined papers totalling 120 marks: Paper 1 covers approaches, issues and debates through Section A with short answer questions on core studies worth 38 marks and Section B with extended response and essay questions worth 22 marks, and Paper 2 covers research methods through Section A with short answer and scenario-based questions worth 46 marks and Section B with a planning question worth 14 marks. Each paper lasts one hour thirty minutes. The assessment objectives weight knowledge and understanding at 35 percent, application at 35 percent, and analysis and evaluation at 30 percent. For the complete official syllabus, visit the Psychology 9990 page on the Cambridge International website.

How AS Level Psychology 9990 Differs from A Level Psychology:

Cambridge International AS Level Psychology 9990 is a one-year standalone qualification that covers four psychological approaches — biological, cognitive, learning, and social — illustrated through twelve landmark core studies plus comprehensive research methodology training, and also serves as the first half of the full A Level Psychology qualification. The difference between AS Level and A Level is that AS Level is assessed through two papers totalling 120 marks and graded A to E, while the full A Level adds two specialist options from Clinical Psychology, Consumer Psychology, Health Psychology, or Organisational Psychology for a total of 240 marks graded A* to E. Students should be aware that AS Level grades carry roughly half the weight of a full A Level in university admissions decisions, but many universities accept AS Level results as part of their evaluation alongside other qualifications. Private candidates can enter without being enrolled in a school — students studying from home or preparing entirely through online private tutoring can register at a local test centre through the Cambridge International centre finder. No previous study of psychology is expected, and students who have completed IGCSE Psychology 0266 will find the transition smooth. Students who achieve strong AS Level grades can progress to the full A Level by taking Papers 3 and 4 in the following year.

Who Should Take AS Level Psychology 9990?

AS Level Psychology 9990 is designed for students who want to build a scientific foundation in understanding human behaviour in a single academic year, whether as a standalone qualification for university applications or as the first step toward the full A Level Psychology qualification. The course is valuable for private candidates preparing through online tutoring as well as for students at international schools, and since the qualification has no coursework and is assessed entirely through two written examinations, students do not need to be enrolled in a school to take it. Students aiming for programmes such as the University of Chicago Business Economics, the University of Leeds Criminal Justice and Criminology, or the University of Exeter Neuroscience should recognise that many universities evaluate AS Level grades as part of their admissions process, and a strong AS Level Psychology result demonstrates scientific reasoning and research evaluation skills from an early stage. The course covers four psychological approaches through twelve core studies plus research methods, providing the scientific thinking that is valued across psychology, medicine, nursing, social work, education, and business programmes. Contact us to learn how our tutoring can help you build the strongest possible foundation in psychology.

Scoring and Evaluation of AS Level Psychology 9990

Cambridge International AS Level Psychology 9990 is graded on a scale from A to E, where A is the highest grade and E is the lowest passing grade. The final grade is determined by performance across two externally assessed papers with a combined total of 120 marks. Paper 1 covers approaches, issues and debates, lasting one hour thirty minutes and worth 60 marks contributing 50 percent of the AS Level grade, with Section A containing short answer questions on the twelve core studies worth 38 marks and Section B containing extended response and essay questions worth 22 marks. Paper 2 covers research methods, lasting one hour thirty minutes and worth 60 marks contributing 50 percent, with Section A containing short answer and scenario-based questions worth 46 marks and Section B containing a planning question divided into parts worth 14 marks. The assessment objectives weight knowledge and understanding at 35 percent, application at 35 percent, and analysis and evaluation at 30 percent. Paper 1 tests the ability to describe core studies, compare approaches, and evaluate research in the context of psychological issues and debates. Paper 2 tests the ability to apply research methodology knowledge to unfamiliar scenarios, design studies, and evaluate methodological strengths and weaknesses.

Success Requirements and Academic Progression for AS Level Psychology 9990

AS Level Psychology 9990 grades contribute to university admissions decisions in two ways: as a standalone qualification demonstrating breadth of study, and as the foundation for the full A Level Psychology qualification. Grades A and B are considered outstanding at AS Level and signal to universities that the student has strong scientific reasoning and research evaluation capabilities. Many universities, including the University of Chicago which accepts Cambridge A Level qualifications from international applicants, and the University of Leeds Criminal Justice and Criminology which requires AAB with Psychology accepted as a traditional academic subject, consider AS Level grades alongside A Level predictions when evaluating applicants. Universities in the United Kingdom, including the University of Exeter Neuroscience which explicitly accepts Psychology as a science subject for its ABB offer, value AS Level Psychology results as evidence of scientific reasoning from an early stage. Students who achieve strong AS Level grades are well positioned to progress to the full A Level by taking Papers 3 and 4 in the following year, and the core study knowledge, research methods skills, and analytical thinking built during the AS year provide the essential foundation that the specialist options build upon.

Required Preparation for AS Level Psychology 9990

AS Level Psychology 9990 covers four psychological approaches, twelve core studies, and research methods across one academic year, and whether a student is preparing independently through online private tutoring or supplementing school lessons, focused one-on-one sessions are where the core study knowledge, research methods mastery, and essay technique that Cambridge examiners reward with the highest grades are truly mastered. In tutoring sessions students receive individualised attention on learning each core study in detail — the aim, method, results, and conclusions — and understanding how each study illustrates the assumptions of its psychological approach. A significant portion of private tutoring focuses on Paper 1 essay technique, where students learn to compare studies across approaches, link findings to issues and debates such as nature versus nurture and ethics, and write evaluative responses that balance strengths and weaknesses of research evidence. For Paper 2, tutoring develops research methods fluency through scenario-based practice where students must design experiments, identify variables, select appropriate sampling methods, evaluate validity and reliability, and interpret quantitative and qualitative data. Students also build the ability to plan research studies from scratch in Paper 2 Section B, connecting methodology choices to ethical considerations and practical constraints. Unlike subjects where a textbook alone can carry a student to a passing grade, psychology requires the ability to think critically about research evidence in real time, and independent learners preparing without a school gain from tutoring the interactive questioning and debate that no amount of reading can replicate. For students already attending school, tutoring closes the gap between memorising what Milgram or Bandura found and understanding why those findings matter for the nature versus nurture debate, for ethical practice, and for the evaluative essays that carry the highest marks in Paper 1.

Tutoring Timeline for AS Level Psychology 9990

AS Level Psychology 9990 requires approximately 180 guided learning hours spread across one academic year, typically corresponding to Year 12 for ages 16 to 17. Whether a student is preparing independently or alongside school, private tutoring should begin at the start of the year with weekly one-and-a-half-hour sessions. During the first semester sessions focus on the four psychological approaches and twelve core studies: the biological approach with Dement and Kleitman, Hassett et al., and Hölzel et al., the cognitive approach with Andrade, Baron-Cohen et al., and Pozzulo et al., the learning approach with Bandura et al., Fagen et al., and Saavedra and Silverman, and the social approach with Milgram, Perry et al., and Piliavin et al. By the end of the first semester the student should be confident describing each study and linking it to its approach and to the key issues and debates. In the second semester sessions shift to research methods covering experiments, self-reports, case studies, observations, correlations, longitudinal studies, hypotheses, variables, sampling, ethics, validity, reliability, and data analysis, plus integration of approaches with issues and debates for Paper 1 essay preparation. Exam preparation should begin at least four months before the examination sitting — from February for a June sitting or from July for a November sitting — with timed practice using past Paper 1 and Paper 2 questions and systematic review.

What Can We Do to Help?

If you are serious about achieving grade A in AS Level Psychology 9990, having the right guidance from the start makes all the difference. Our professors bring years of experience preparing students for Cambridge International examinations and will work with you to build a structured study plan covering all four psychological approaches, twelve core studies, and research methods. We focus on the skills that Cambridge examiners specifically reward: describing each core study with accurate detail of aim, method, results, and conclusions, linking studies to their psychological approach and evaluating them in terms of issues and debates, writing extended essays that compare approaches and reach balanced evaluative conclusions for Paper 1 Section B, and applying research methodology knowledge to unfamiliar scenarios, designing studies, and evaluating validity and reliability for Paper 2. Since private candidates can sit AS Level Psychology 9990 without enrolling in a school, To Best Universities provides the structured teaching programme that independent and homeschooled students need to cover the entire syllabus systematically and achieve top grades. For students already attending school, our tutoring fills the gaps that classroom teaching leaves and sharpens exam technique to the level the examination demands. A strong AS Level result is the foundation for progression to the full A Level Psychology, and our tutoring ensures you build the strongest possible base for advanced study. Contact us to schedule a consultation and take the first step toward your target grade.

Our Professors

Dr. Umit K.

Umit K.

Associate Professor Dr.

Ph.D., Drexel University

Expertise: AS Level Psychology 9990

Experience: 11 years

Recent Placements: University of Chicago, University of Leeds, University of Exeter, USC.

Student Reviews


Alan G.
Alan G.

Goldsmiths University, Psychology (Class of 2025)

d'Overbroeck's Independent School in Oxford, UK

AS Level Psychology 9990

Accepted: Royal Holloway University, University of Exeter.


I was struggling with the Paper 1 essays because I could describe each core study accurately but I did not know how to link the studies to the issues and debates or how to evaluate the research beyond saying it was a laboratory experiment or a case study. Professor K taught me a method for every essay where I would first identify which issue or debate the question was testing, then select two or three studies that illustrated different sides of that debate, and then evaluate each study by discussing its methodology, ethics, and generalisability before reaching a balanced conclusion. He was also extremely helpful with Paper 2 because he showed me how to read a research scenario and immediately identify the independent and dependent variables, the sampling method, and the ethical issues, and then write answers that applied my research methods knowledge to that specific scenario rather than giving generic textbook definitions. The planning question in Section B went from being my weakest area to my strongest because he taught me to justify every methodological choice by linking it to the scenario. I achieved grade A and the structured approach he taught me for linking studies to issues and debates was the single change that made the difference.


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Updated on August 20, 2026