PSYC301 Abnormal Behaviour and Health Psychology Study Notes for Varsity College Core Psychology Modules

This study guide provides a comprehensive overview of abnormal behaviour and health psychology at third-year level, with a strong focus on the kinds of concepts, models, and application-based questions commonly examined in South African university psychology modules. It brings together diagnostic frameworks, explanatory theories, treatment approaches, and health psychology principles in a way that supports revision, exam preparation, and essay planning. The emphasis throughout is on understanding how psychopathology is defined, how it is assessed, and how psychological, biological, and social factors shape both mental disorder and physical health outcomes.

1. Foundations of Abnormal Behaviour

Abnormal behaviour is not simply “different” behaviour. In psychology, it refers to patterns of thoughts, emotions, and actions that are clinically significant because they cause distress, impair functioning, or deviate in meaningful ways from cultural expectations. A strong understanding of this topic begins with the recognition that no single feature defines abnormality in every case. Instead, psychologists use a combination of criteria, including statistical infrequency, deviation from social norms, personal distress, and impairment in daily functioning. These criteria help explain why one unusual behaviour may be harmless while another signals serious mental disorder.

1.1 Defining abnormality

The statistical definition treats behaviour as abnormal if it is rare in the population. This is useful for identifying extreme scores on traits such as intelligence, anxiety, or mood. However, rarity alone is not enough. Highly intelligent or creatively gifted people may also be statistically unusual without being disordered. Likewise, some common problems such as mild anxiety may still be clinically important if they are persistent and disabling.

The social norm deviation approach defines abnormal behaviour as conduct that violates accepted rules or expectations within a culture. This criterion is especially sensitive to context. Behaviour viewed as acceptable in one setting may be judged inappropriate in another. For example, loud emotional expression in a family gathering may be considered normal in one cultural community but disruptive in another. Because social norms vary across societies and historical periods, this definition can be culturally biased if used without care.

The distress and dysfunction approach is more clinically practical. Behaviour becomes abnormal when it causes significant suffering or prevents a person from working, studying, maintaining relationships, or managing daily life. This is one of the most useful criteria because it links abnormality to real-world impairment. For example, a student who occasionally worries before tests is not necessarily disordered, but a student who cannot sleep, attend classes, or concentrate because of constant panic may meet criteria for an anxiety disorder.

1.2 The concept of psychopathology

Psychopathology refers to the study of mental disorders, including their symptoms, causes, course, and treatment. It includes both descriptive work, such as identifying symptom patterns, and explanatory work, such as understanding why a disorder develops and persists. In exam answers, it is important to show that psychopathology is not just about naming disorders. It is about understanding the full process from risk factors to diagnosis to intervention.

A useful way to think about psychopathology is through the bio-psycho-social model, which argues that mental disorders arise from interacting biological, psychological, and social influences. A person may have a genetic vulnerability, develop maladaptive beliefs after repeated stress, and live in a context that intensifies emotional strain. None of these factors alone fully explains the disorder, but together they create risk.

1.3 Normality versus abnormality

The border between normal and abnormal behaviour is not fixed. Human emotion and behaviour exist on a continuum. Fear becomes anxiety, sadness becomes depression, and caution becomes paranoia only when intensity, duration, and impairment cross a clinical threshold. This is why diagnosis is based on patterns rather than isolated behaviours.

Consider a person grieving the death of a parent. They may cry often, lose appetite, and withdraw socially. Such reactions can resemble depression, yet grief is not automatically a mental disorder. The clinician must assess whether the response is proportionate to the loss, whether there are psychotic symptoms or suicidal intent, and whether the person is gradually adapting. This illustrates why context is essential.

1.4 Historical approaches to abnormal behaviour

Historical views of mental illness changed dramatically over time. In earlier periods, abnormal behaviour was often explained through supernatural beliefs, including possession by spirits or punishment for wrongdoing. Later, the biological model began to dominate, emphasising brain dysfunction and heredity. During the nineteenth and twentieth centuries, psychological perspectives expanded the field by highlighting learning, unconscious conflict, cognition, and social environment.

One important historical development was the move away from institutional confinement and toward community-based care. Although asylums were once used to isolate people with mental disorders, modern mental health practice increasingly supports treatment in hospitals, outpatient clinics, and community settings. This shift reflects growing recognition of human rights, rehabilitation, and recovery-oriented care.

1.5 Key evaluation issues

When studying abnormality, several evaluation issues matter:

• Cultural relativism: behaviour must be understood relative to cultural meaning.
• Stigma: labels can lead to discrimination and self-stigma.
• Medicalisation: not all distress should be treated as illness.
• Underdiagnosis and overdiagnosis: some disorders are missed, while others may be diagnosed too readily.
• Comorbidity: many individuals meet criteria for more than one disorder, complicating simple categories.

These issues matter because diagnosis affects identity, treatment access, family responses, and legal or occupational decisions. In exam answers, a strong discussion of abnormal behaviour should show not only what is abnormal, but also why defining it is complex.

2. Diagnosis, Assessment, and Classification

Diagnosis is the process of identifying a disorder based on symptoms, duration, severity, and impairment. In psychology, diagnosis is not just a label. It is a structured decision that guides communication, treatment, insurance, research, and prognosis. Classification systems attempt to organise mental disorders into categories so that clinicians can describe them consistently, but these systems also face significant limitations.

2.1 The purpose of classification

A classification system allows clinicians to answer several questions:

1. What symptoms does the person have?
2. Do these symptoms match a recognised disorder?
3. How severe is the condition?
4. What treatment is most appropriate?
5. What outcome can be expected?

This process improves communication among professionals. Instead of describing a client vaguely as “very anxious,” a clinician can diagnose panic disorder, social anxiety disorder, or generalised anxiety disorder, each of which implies a different symptom pattern and intervention plan.

2.2 DSM and ICD frameworks

Two major systems are often referenced in university psychology:

• DSM (Diagnostic and Statistical Manual of Mental Disorders): commonly used in research and clinical training, especially in American-oriented contexts.
• ICD (International Classification of Diseases): used globally in health systems and is especially important in public health and medical settings.

Although these systems differ in detail, both aim to classify disorders using standard criteria. A diagnosis typically requires a certain number of symptoms, a specified duration, and clinically significant distress or impairment. This structured approach increases reliability, meaning different clinicians are more likely to reach similar conclusions.

2.3 Reliability and validity

A good diagnostic system must be both reliable and valid.

• Reliability means consistency. If two clinicians assess the same person, they should ideally reach the same diagnosis.
• Validity means accuracy. The diagnosis should reflect a real and meaningful disorder, not just a convenient label.

Reliability is improved through structured interviews, clear symptom criteria, and training. Validity is more difficult because many disorders overlap. A person may have symptoms of depression and anxiety at the same time, or features of several personality disorders. This overlap raises questions about whether diagnostic categories are truly distinct.

2.4 Assessment methods

Assessment involves gathering information from multiple sources. Important methods include:

Clinical interviews

A clinical interview may be structured, semi-structured, or unstructured. Structured interviews use fixed questions and improve comparability. Unstructured interviews allow flexibility but may miss important information.

Behavioural observation

Behaviour can be observed directly in a clinic, classroom, home, or other setting. Observation helps identify triggers, avoidance patterns, aggression, social withdrawal, or compulsive actions.

Psychological testing

Standardised measures assess intelligence, personality traits, mood, anxiety, or cognitive functioning. These tests should have good reliability and validity.

Self-report measures

Questionnaires are useful for capturing symptoms and subjective experience, but they can be influenced by social desirability, misunderstanding, or deliberate distortion.

Collateral information

Family members, teachers, or medical records may provide useful background information, especially when the client’s insight is limited.

2.5 The diagnostic process in practice

Assessment is usually sequential. The clinician first identifies the presenting problem, then explores duration, triggers, severity, and functional impact. Medical causes must also be ruled out. For example, symptoms resembling depression may actually reflect thyroid dysfunction, medication side effects, or substance use. Similarly, memory problems may stem from stress, trauma, or neurological illness.

A practical diagnostic sequence often includes:

1. Presenting complaint
2. Symptom history
3. Personal and family history
4. Medical and substance-use history
5. Functional assessment
6. Risk assessment, including self-harm or suicide
7. Formulation and diagnosis
8. Treatment planning

2.6 Challenges in diagnosis

Diagnosis can be complicated by:

• Comorbidity: multiple disorders at once
• Symptom overlap: similar symptoms across disorders
• Cultural differences: symptoms may be expressed differently across contexts
• Bias: clinicians may over- or under-diagnose based on stereotypes
• Dynamic presentation: symptoms change over time

For example, an adolescent with irritability, school refusal, sleep problems, and low mood may initially appear oppositional, but further assessment could reveal depression or trauma. This is why diagnosis should never rely on one observation alone.

2.7 Ethical and practical concerns

Mental health classification has ethical consequences. A diagnosis can help someone access care, but it may also create stigma. Some people feel reduced to a label, or fear being treated as dangerous or incapable. Ethical diagnosis therefore requires sensitivity, informed consent where appropriate, confidentiality, and respectful communication.

In exam writing, a good answer should explain that diagnosis is necessary but imperfect. It is a tool for organising clinical information, not a complete description of the person.

3. Major Explanations of Abnormal Behaviour

The causes of abnormal behaviour are best understood through complementary perspectives rather than a single explanation. Different models highlight different parts of the same problem. A student who can compare these models clearly will usually perform well in essay and short-answer questions.

3.1 The biological perspective

The biological model argues that mental disorders are influenced by brain structure, neurotransmitter functioning, hormones, genetics, and inherited vulnerability. This perspective has been especially influential in understanding schizophrenia, mood disorders, bipolar disorder, and some anxiety disorders.

Genetics

Genetic factors can increase risk without determining outcome. A person may inherit a vulnerability that is triggered by stress, trauma, or developmental adversity. Twin and family studies often show higher concordance among relatives for certain disorders, suggesting heredity plays a role. However, genes do not act in isolation. The same genetic profile may produce different outcomes depending on environment.

Neurotransmitters

Neurotransmitters are chemical messengers in the brain. Imbalances in serotonin, dopamine, norepinephrine, and GABA have been linked to various disorders. For example, serotonin is often discussed in relation to mood and anxiety, while dopamine is frequently associated with psychosis and reward-related dysregulation. It is important not to oversimplify these relationships, because neurotransmitter systems interact and are not the sole cause of mental illness.

Brain structure and function

Differences in brain regions, such as the amygdala, hippocampus, and prefrontal cortex, may affect emotional regulation, memory, and impulse control. Brain imaging studies support the idea that some disorders involve altered activation patterns, but correlation does not prove cause. Abnormal brain patterns may be causes, consequences, or both.

Hormones and the stress response

The hypothalamic-pituitary-adrenal axis plays a major role in stress regulation. Chronic stress can lead to dysregulation in cortisol secretion, influencing mood, sleep, immune functioning, and cognitive control. This connection is especially relevant in trauma-related conditions.

3.2 The psychodynamic perspective

The psychodynamic view, associated with Freud and later theorists, emphasises unconscious conflict, early childhood relationships, defence mechanisms, and unresolved emotional experiences. Although some classic Freudian ideas are less scientifically supported today, the psychodynamic tradition remains important because it highlights the role of internal conflict and developmental history.

According to this perspective, symptoms may reflect unconscious attempts to manage anxiety. For example, a person with intense fear of abandonment may develop defensive detachment, projection, or repression. Psychodynamic therapy seeks to uncover these hidden conflicts and strengthen insight.

A strength of the psychodynamic model is that it takes subjective experience seriously. Its weakness is that some concepts are difficult to test objectively. In exam answers, it is useful to note both the historical importance and the empirical limitations of this approach.

3.3 The behavioural perspective

The behavioural model explains abnormal behaviour as learned behaviour. Problems develop through classical conditioning, operant conditioning, and observational learning. This model is especially helpful in understanding phobias, avoidance, compulsions, and some habits.

• Classical conditioning: a neutral stimulus becomes associated with fear after being paired with a frightening event.
• Operant conditioning: a behaviour is reinforced because it reduces anxiety or gains attention.
• Observational learning: children may imitate anxious, aggressive, or avoidant behaviour they observe in others.

For example, a person bitten by a dog may become fearful of all dogs. Avoiding dogs reduces immediate anxiety, which negatively reinforces the avoidance and makes the phobia persist. Behavioural interventions such as exposure therapy are based on this learning principle.

3.4 The cognitive perspective

The cognitive approach focuses on distorted thought patterns, dysfunctional beliefs, and maladaptive interpretations. People do not respond only to events themselves, but to the meaning they assign to those events. Cognitive distortions such as catastrophising, black-and-white thinking, overgeneralisation, and mind-reading can maintain emotional problems.

For example, a student who receives a poor test mark may think, “I am a total failure, and everyone will think I am stupid.” This interpretation can deepen shame and depression. Cognitive therapy works by identifying and challenging such beliefs, replacing them with more realistic appraisals.

The cognitive approach is highly useful because it explains how the same event affects different people in different ways. Its limitation is that it may underemphasise broader social or biological conditions.

3.5 The socio-cultural perspective

The socio-cultural model stresses the role of family, social support, poverty, discrimination, community violence, gender expectations, and cultural values. Mental health is not created in a vacuum. People living under chronic stress, marginalisation, or inequality have a higher burden of psychological distress.

This perspective is especially important in South African contexts, where historical inequality, unemployment, violence, and barriers to care can shape mental health outcomes. A good exam answer should mention that social adversity does not merely “influence” mental illness from the outside; it can be deeply embedded in its development and maintenance.

3.6 The diathesis-stress model

The diathesis-stress model integrates biological vulnerability with environmental stress. A diathesis is a predisposition, such as genetic risk, temperamental sensitivity, or early trauma. Stress refers to life events or ongoing adversity that activate the vulnerability. This model is widely used because it explains why some people develop disorders under pressure while others do not.

For instance, one person may endure relationship conflict and financial stress without developing depression, while another with a family history of mood disorder and poor coping resources may become severely depressed under the same conditions. The model also helps explain why prevention is possible: reducing stress or strengthening coping may lower risk even when vulnerability remains.

3.7 Comparing models

No single model explains all disorders equally well. Biological approaches are strong for medical treatment and severe disorders, behavioural approaches are strong for learned fears and habits, cognitive approaches are strong for thought-based maintenance, and socio-cultural approaches are essential for context and inequality. Strong psychometric and clinical thinking requires integration rather than exclusivity.

A concise comparison is shown below.

Perspective	Main focus	Strength	Limitation
Biological	Genes, brain, neurotransmitters	Useful for medication and medical understanding	Can ignore social meaning and learning
Psychodynamic	Unconscious conflict, early experience	Emphasises development and meaning	Hard to test directly
Behavioural	Learning and reinforcement	Effective for phobias and behaviour change	May overlook thoughts and biology
Cognitive	Beliefs and interpretations	Explains internal experience well	May underplay social context
Socio-cultural	Relationships, culture, inequality	Strong contextual explanation	Can be broad and difficult to operationalise

4. Major Disorders: Features, Causes, and Treatment

A high-quality exam answer usually requires more than naming disorders. It should identify core symptoms, common causes or maintaining factors, and basic treatment principles. The disorders below represent some of the most frequently examined categories in abnormal psychology.

4.1 Anxiety disorders

Anxiety disorders involve excessive fear, worry, avoidance, or physiological arousal that becomes persistent and impairing. Common forms include generalised anxiety disorder, panic disorder, social anxiety disorder, specific phobias, and agoraphobia.

Core features

Anxiety may involve:

• racing thoughts
• muscle tension
• restlessness
• sleep problems
• elevated heart rate
• sweating
• avoidance of feared situations

Development and maintenance

Anxiety may begin after a stressful event, a traumatic experience, or repeated reinforcement of avoidance. Family modelling can also contribute. A child who observes a parent reacting with fear to harmless situations may learn that the world is dangerous.

Treatment

Effective treatments include:

• Cognitive-behavioural therapy
• Exposure therapy
• Relaxation training
• Medication, especially when symptoms are severe

Exposure is particularly important because avoidance reduces fear in the short term but maintains it over time. Gradual, repeated contact with the feared situation allows new learning to occur.

4.2 Depressive disorders

Depression involves persistent low mood, loss of interest or pleasure, fatigue, hopelessness, and changes in sleep, appetite, concentration, or self-worth. Severe depression can include suicidal thinking.

Core features

People with depression may:

• feel sad, empty, or numb
• lose motivation
• withdraw socially
• experience guilt or worthlessness
• struggle with concentration
• move more slowly or become agitated
• think about death or suicide

Explanations

Depression can result from a mixture of biological vulnerability, cognitive distortion, learned helplessness, chronic stress, loss, and social isolation. Beck’s cognitive theory emphasises negative views of the self, world, and future. If a person repeatedly interprets setbacks as proof of personal inadequacy, depression may deepen.

Treatment

Treatment often combines:

• Psychotherapy, especially CBT or interpersonal therapy
• Medication, including antidepressants where appropriate
• Lifestyle support, such as sleep regulation, exercise, and social reconnection

A crucial issue in depression management is suicide risk assessment. Clinicians must ask directly about intent, plans, previous attempts, and protective factors.

4.3 Bipolar disorders

Bipolar disorder involves episodes of depression and mania or hypomania. Mania is marked by elevated or irritable mood, increased energy, reduced need for sleep, rapid speech, risky behaviour, grandiosity, and poor judgement.

Why it matters

Bipolar disorder is often misunderstood because periods of elevated mood may look like confidence or productivity. However, true mania usually causes impairment, poor judgement, and sometimes psychosis. The person may spend excessively, engage in dangerous behaviour, or become unable to function at work or study.

Treatment

Treatment commonly includes mood stabilisers, psychoeducation, psychotherapy, and monitoring of sleep and routine. Stability is important because disrupted sleep can trigger mood episodes.

4.4 Schizophrenia spectrum and psychotic disorders

Psychotic disorders involve disruptions in thought, perception, emotion, and behaviour. Hallucinations, delusions, disorganised speech, and impaired reality testing are common features.

Positive and negative symptoms

• Positive symptoms add abnormal experiences, such as hallucinations and delusions.
• Negative symptoms reflect reduced normal functioning, such as flat affect, poverty of speech, and social withdrawal.

Explanations

The disorder is associated with genetic vulnerability, dopamine dysregulation, neurodevelopmental factors, and psychosocial stress. Family conflict does not cause schizophrenia, but high expressed emotion may worsen relapse risk.

Treatment

Treatment may include antipsychotic medication, psychosocial rehabilitation, family support, and coordinated care. Early intervention is especially valuable because prolonged untreated psychosis often worsens outcomes.

4.5 Substance-related and addictive disorders

Substance use disorders involve problematic use of alcohol, drugs, or other addictive substances, leading to tolerance, withdrawal, impaired control, and harm. Behavioural addictions, such as gambling disorder, involve similar compulsive patterns.

Why people develop addiction

Addiction is shaped by:

• reward and reinforcement
• stress reduction
• peer influence
• trauma and coping deficits
• genetic susceptibility
• access and availability

Treatment

Effective support may include:

• motivational interviewing
• CBT for relapse prevention
• detoxification and medical management
• support groups
• harm reduction approaches

A useful exam point is that addiction is rarely just a matter of “bad choices.” It often reflects a cycle in which temporary relief reinforces long-term harm.

4.6 Personality disorders

Personality disorders involve enduring patterns of inner experience and behaviour that deviate markedly from cultural expectations and lead to distress or impairment. These patterns are usually inflexible and stable over time.

Common examples include:

• Borderline personality disorder: emotional instability, fear of abandonment, impulsivity, self-harm
• Antisocial personality disorder: disregard for others’ rights, deceitfulness, impulsivity, lack of remorse
• Avoidant personality disorder: social inhibition, feelings of inadequacy, sensitivity to criticism

Treatment is often long-term and may focus on emotion regulation, interpersonal functioning, and behavioural change. Personality disorders are challenging because traits are deeply embedded, but improvement is possible with sustained intervention.

4.7 Eating disorders

Eating disorders involve disturbed eating behaviour and preoccupation with body weight or shape. Common disorders include anorexia nervosa, bulimia nervosa, and binge-eating disorder.

Key issues

These disorders can lead to severe medical complications, including malnutrition, electrolyte imbalance, and cardiac risk. Psychological factors such as perfectionism, low self-esteem, control needs, and social pressure often interact with biology and family context.

Treatment

Treatment may include nutritional rehabilitation, psychotherapy, family-based intervention, and medical monitoring. Because physical health risks are serious, coordinated care is essential.

5. Health Psychology, Stress, and Coping

Health psychology examines how thoughts, emotions, behaviour, and social context influence physical health and illness. It is closely connected to abnormal psychology because mental health problems often affect physical functioning, and physical illness often affects mental well-being. The field is especially relevant in understanding stress, lifestyle behaviour, adherence to treatment, and the prevention of illness.

5.1 The meaning of health psychology

Health psychology studies:

• how people stay healthy
• why they become ill
• how they respond to illness
• how they follow medical advice
• how habits such as smoking, exercise, diet, and sleep influence health

It assumes that health is not only biological. Human beliefs, motivation, relationships, and social conditions all play major roles. This makes the field highly practical for public health and clinical work.

5.2 Stress and the body

Stress is a central concept in health psychology. It refers to the process by which people perceive and respond to demands that they believe exceed their resources. Stress can be acute, such as before an exam, or chronic, such as ongoing poverty, caregiving strain, or unsafe living conditions.

Physiological effects

When stress is activated, the body prepares for action through changes in heart rate, blood pressure, breathing, and hormone release. Short-term activation can be adaptive, but chronic stress may contribute to:

• weakened immunity
• sleep disruption
• headaches
• digestive problems
• cardiovascular strain
• emotional exhaustion

Psychological effects

Stress can also impair concentration, memory, and emotional regulation. People under prolonged stress may become irritable, hopeless, or withdrawn. This is one reason why stress is linked to both mental and physical illness.

5.3 The cognitive appraisal model

According to Lazarus and Folkman’s approach, stress depends not only on events themselves but on appraisal. A person first assesses whether an event is threatening, harmful, or challenging, and then evaluates whether coping resources are available. Two people can face the same event but experience it differently based on appraisal, experience, and support.

For example, a first-year student may interpret a difficult exam as a catastrophe, while another sees it as a challenge requiring extra study. The event is the same, but the stress response differs greatly. This model is important because it explains why coping skills are so central to health.

5.4 Coping strategies

Coping refers to the thoughts and behaviours used to manage stress. Coping can be:

• Problem-focused: dealing with the source of stress directly
• Emotion-focused: managing emotional distress
• Avoidant: escaping, denying, or distracting oneself from the problem

Problem-focused coping is useful when a stressor is controllable, such as planning study time or seeking medical care. Emotion-focused coping is useful when the stressor cannot be changed immediately, such as grieving a loss. Avoidant coping often provides temporary relief but can worsen problems in the long run.

Healthy coping strategies include:

• seeking social support
• time management
• relaxation techniques
• exercise
• sleep hygiene
• realistic goal setting
• problem-solving

5.5 Behaviour and lifestyle risk factors

Many major causes of preventable illness are behavioural. Health psychology therefore places strong emphasis on modifying risk behaviours. These include:

• smoking
• harmful alcohol use
• poor diet
• physical inactivity
• unsafe sexual behaviour
• non-adherence to medication
• chronic sleep deprivation

Behaviour change is difficult because habits are reinforced by immediate rewards, even when long-term consequences are harmful. For example, smoking may reduce stress briefly, making it feel beneficial despite its long-term damage. Effective interventions often combine information, motivation, self-monitoring, social support, and environmental change.

5.6 Health beliefs and adherence

A person’s beliefs about illness strongly influence whether they seek care and follow treatment. If someone believes a disease is severe, manageable, and personally relevant, they are more likely to act. If they believe treatment is useless, symptoms are temporary, or medication is dangerous, adherence may decline.

Adherence is influenced by:

• clarity of instructions
• side effects
• cost
• forgetfulness
• beliefs about illness
• relationship with healthcare providers
• cultural understanding of disease

A patient-centred approach improves adherence because it respects concerns and builds trust. Simply telling people what to do is rarely enough.

5.7 Chronic illness and psychological adjustment

Chronic illness can affect identity, autonomy, family relationships, work, and future planning. People may experience grief, anxiety, depression, anger, or denial after diagnosis. Psychological support helps them adapt, but the experience is also shaped by practical realities such as pain, financial strain, and access to care.

Important themes in chronic illness include:

• adjustment to diagnosis
• symptom management
• coping with uncertainty
• maintaining quality of life
• family burden
• relapse and remission cycles

5.8 Prevention and promotion of wellbeing

Health psychology does not focus only on illness. It also supports health promotion through:

• public education
• behavioural interventions
• stress management programmes
• smoking cessation support
• exercise promotion
• vaccination attitudes
• healthy eating initiatives

The strongest programmes are usually multi-level, combining individual change with social and environmental support. For instance, encouraging exercise is more effective when safe spaces, affordable facilities, and social encouragement are available.

6. Integrating Abnormal Behaviour and Health Psychology for Exam Success

The most effective exam responses show integration. Abnormal behaviour and health psychology are not separate islands. Depression affects cardiovascular risk, anxiety affects sleep and immune functioning, chronic illness increases risk of depression, and stress can worsen many disorders. The same person may need both psychological and medical support. The ability to connect these areas is often what distinguishes a competent answer from a strong one.

6.1 Using the bio-psycho-social model in answers

A well-structured exam answer often begins by identifying:

1. Biological factors
2. Psychological factors
3. Social and cultural factors
4. Maintaining processes
5. Relevant interventions

For example, in a case of panic disorder, a biological vulnerability may increase sensitivity to bodily sensations, cognitive misinterpretation may label normal arousal as dangerous, and avoidant behaviour may reinforce fear. Treatment would therefore target all three levels through psychoeducation, cognitive restructuring, exposure, and possibly medication.

6.2 Writing about case scenarios

When given a case study, the best approach is to avoid rushing straight to diagnosis. First identify symptoms, then connect them to criteria, then discuss causes and treatment. A good structure is:

• Presenting symptoms
• Possible diagnosis
• Differential diagnosis
• Explanatory factors
• Intervention plan
• Prognosis or expected outcome

For instance, if a case describes a student who is losing weight, sleeping poorly, withdrawing socially, and feeling worthless, the likely issue may be depression. But it is important to consider grief, adjustment disorder, substance use, or medical causes before concluding.

6.3 Common mistakes to avoid

Students often lose marks by:

• using a diagnosis without justifying it
• confusing anxiety with fear, or sadness with depression
• treating one symptom as proof of a disorder
• ignoring cultural context
• failing to mention impairment
• listing theories without explaining them
• describing treatment without linking it to the disorder

Strong answers are specific. They explain not only what a concept is, but why it matters and how it operates in real life.

6.4 High-yield revision points

The following points are especially worth revising carefully:

• Abnormality is defined by distress, dysfunction, deviance, and infrequency, but no single criterion is sufficient on its own.
• Diagnosis relies on classification systems, but reliability and validity remain challenges.
• Mental disorders are best understood through multiple interacting models.
• CBT and exposure are central for many anxiety disorders.
• Depression often involves cognitive distortions and can require suicide risk assessment.
• Schizophrenia involves positive and negative symptoms and often needs coordinated care.
• Addiction reflects reinforcement, stress, and vulnerability, not only poor self-control.
• Stress and coping are central to health psychology and influence both mental and physical illness.
• Behaviour change is easier when interventions address beliefs, habits, and environment.
• The bio-psycho-social model is the most flexible framework for integrated answers.

6.5 Final synthesis

PSYC301-level understanding requires more than memorising definitions. It requires the ability to explain how abnormal behaviour is identified, why disorders develop, how they are assessed, and how treatment is chosen. It also requires recognition that psychological distress and physical health are deeply connected. Mental illness can shape health behaviour, chronic illness can trigger emotional distress, and stress can affect the body in measurable ways. The best revision strategy is therefore to study disorders, models, and health psychology together, always asking how biology, cognition, behaviour, and context interact.

A strong student does not see diagnosis as a label alone. They see it as part of a larger clinical picture that includes lived experience, social reality, and recovery potential. That integrated perspective is exactly what makes abnormal behaviour and health psychology such an important part of university psychology training.

Quick Revision Table

Topic	Core idea	Typical exam emphasis
Abnormality	Behaviour that is distressing, dysfunctional, deviant, or rare	Definitions and evaluation
Diagnosis	Structured identification of disorders	Reliability, validity, assessment
Biological model	Genes, brain, neurotransmitters	Medical explanation, limits
Behavioural model	Learned responses	Phobias, reinforcement, exposure
Cognitive model	Beliefs and interpretations	Depression, anxiety, CBT
Socio-cultural model	Context and inequality	Culture, stigma, stress
Anxiety disorders	Excessive fear and avoidance	Symptoms and treatment
Depression	Persistent low mood and loss of interest	Symptoms, causes, suicide risk
Bipolar disorder	Mood episodes of depression and mania	Differentiating mania from normal excitement
Schizophrenia	Psychosis, disorganisation, negative symptoms	Symptoms, causes, care
Addiction	Compulsive use despite harm	Reinforcement and relapse
Health psychology	Behaviour, stress, and physical health	Stress, coping, adherence

Final Exam Checklist

Before answering any question, make sure you can do the following:

1. Define the key concept clearly.
2. Explain it in your own words.
3. Give an example or case illustration.
4. Compare at least two perspectives where relevant.
5. Mention strengths and limitations.
6. Link theory to treatment or practice.
7. Use correct psychological terminology.
8. Keep your argument structured and coherent.

If these steps are followed, revision becomes more than memorisation. It becomes understanding, and understanding is what consistently produces strong exam performance.