Comprehensive Study Notes: Personality, Social Psychology, and Health Psychology

Personality Psychology

Introduction to Personality

Personality refers to the consistent patterns of thoughts, feelings, and behaviors that distinguish individuals from one another. It is shaped by both genetic and environmental factors and is studied through various theoretical models.

• Personality: Enduring patterns of thinking, feeling, and behaving.

• Traits: Stable characteristics that influence behavior across situations.

Major Personality Models

• Big Five Model (OCEAN): The most widely accepted model, describing five broad dimensions of personality:

  • Openness: Imagination, creativity, openness to new experiences.

  • Conscientiousness: Organization, dependability, discipline.

  • Extraversion: Sociability, assertiveness, energy.

  • Agreeableness: Compassion, cooperativeness, trust.

  • Neuroticism: Emotional instability, anxiety, moodiness.

• HEXACO Model: Expands the Big Five by adding a sixth dimension: Honesty-Humility (sincerity, fairness, modesty).

• Eysenck’s Model: Focuses on three dimensions: Extraversion, Neuroticism, and Psychoticism.

• Temperament: Early-appearing, biologically based tendencies to feel or act in certain ways (e.g., easy, difficult, slow-to-warm-up).

Personality and Social Behavior

• Authoritarianism: Rigid adherence to rules, obedience to authority.

• Self-Monitoring: Ability to regulate behavior to fit social situations.

Biological Approaches to Personality

• Genetics: Twin and adoption studies show genetic influences on personality traits.

• Brain Structure: Certain traits linked to brain regions (e.g., extraversion and dopamine activity).

• Behavioral Activation System (BAS): Regulates approach behavior and sensitivity to rewards.

• Behavioral Inhibition System (BIS): Regulates avoidance behavior and sensitivity to punishment.

Psychodynamic Approaches

• Freud’s Theory: Personality shaped by unconscious motives and conflicts.

• Id, Ego, Superego: Three components of the mind; id (instincts), ego (reality), superego (morality).

• Defense Mechanisms: Unconscious strategies to reduce anxiety (e.g., denial, repression, projection, displacement, rationalization, reaction formation, sublimation).

Freud’s Psychosexual Stages

1. Oral (0-18 months): Pleasure centers on the mouth.

2. Anal (18-36 months): Pleasure focuses on bowel and bladder control.

3. Phallic (3-6 years): Pleasure zone is the genitals; coping with incestuous feelings.

4. Latency (6-puberty): Dormant sexual feelings.

5. Genital (puberty+): Maturation of sexual interests.

Neo-Freudian Theories

• Carl Jung: Emphasized collective unconscious and archetypes.

• Karen Horney: Focused on social and cultural factors, rejected Freud’s emphasis on sexuality.

Humanistic Approaches

• Carl Rogers: Emphasized self-actualization and unconditional positive regard.

• Abraham Maslow: Hierarchy of needs culminating in self-actualization.

Social Psychology

Attitudes and Persuasion

• Attitude: Evaluation of people, objects, or ideas.

• Cognitive Dissonance: Discomfort from holding conflicting beliefs or behaviors; motivates attitude change.

• Elaboration Likelihood Model (ELM): Explains two routes to persuasion:

  • Central Route: Careful, thoughtful consideration of arguments.

  • Peripheral Route: Influenced by superficial cues (e.g., attractiveness, credibility).

Prejudice, Discrimination, and Stereotypes

• Prejudice: Negative attitude toward a group.

• Discrimination: Negative behavior toward a group.

• Stereotype: Generalized belief about a group.

• Implicit Association Test (IAT): Measures unconscious biases.

Social Influence

• Conformity: Adjusting behavior to match group norms.

• Obedience: Following orders from authority figures.

• Bystander Effect: Tendency to be less likely to help when others are present.

• Diffusion of Responsibility: Reduced sense of personal responsibility in groups.

• Social Loafing: Tendency to exert less effort in a group.

• Groupthink: Desire for harmony leads to poor decision-making.

Attribution Theory

• Attribution: Explaining causes of behavior.

• Internal (Dispositional) Attribution: Attributing behavior to personality traits.

• External (Situational) Attribution: Attributing behavior to situational factors.

Health, Stress, and Coping

Health Psychology

Health psychology studies how biological, psychological, and social factors affect health and illness. It focuses on promoting health and preventing disease.

• Health: State of complete physical, mental, and social well-being.

• Wellness: Active process of making choices toward a healthy and fulfilling life.

Obesity and Health Risks

• Body Mass Index (BMI): Measurement of body fat based on height and weight.

• Consequences: Increased risk of chronic diseases (e.g., diabetes, heart disease).

Stress and Coping

• Stress: Perceived discrepancy between demands and resources.

• Primary Appraisal: Evaluating if an event is a threat.

• Secondary Appraisal: Assessing coping resources and options.

• Types of Stress: Acute (short-term), chronic (long-term).

General Adaptation Syndrome (GAS)

• Alarm Stage: Initial reaction to stressor (fight-or-flight response).

• Resistance Stage: Adaptation to ongoing stress.

• Exhaustion Stage: Depletion of resources, increased vulnerability to illness.

Autonomic Nervous System and Stress

• Sympathetic Nervous System: Activates body for action (increases heart rate, etc.).

• Parasympathetic Nervous System: Calms body, conserves energy.

HPA Axis

• Hypothalamic-Pituitary-Adrenal (HPA) Axis: System that controls reactions to stress and regulates body processes like digestion and immune response.

Coping Strategies

• Problem-Focused Coping: Addressing the problem causing stress.

• Emotion-Focused Coping: Managing emotional response to stress.

• Resilience: Ability to adapt and recover from adversity.

Mindfulness and Relaxation

• Meditation: Practices that increase awareness and focus.

• Types: Focused Attention (concentrating on a single object), Open Monitoring (observing thoughts and sensations).

• Mindfulness-Based Stress Reduction (MBSR): Program using mindfulness to reduce stress.