Five Factor Model/
Overview
The Five Factor Model (FFM), often referred to as the "Big Five" personality traits, is a widely accepted model in psychology that describes five core dimensions of human personality: Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism (OCEAN). These five factors are believed to represent the broad spectrum of human personality traits and are used in psychological research and clinical settings to assess personality.
History
The Five Factor Model was developed over several decades of research by multiple psychologists, starting in the early 20th century. Early pioneers in the field of personality research, such as Gordon Allport and Henry Odbert, began by identifying thousands of words in the English language that described personality traits. Later psychologists, including Raymond Cattell, reduced these to 16 fundamental factors of personality. However, it was not until the 1980s that the current Five Factor Model was solidified by researchers Paul Costa and Robert McCrae, who argued that these five factors were the most stable and universal across different cultures and languages.


The Five Factors
Each of the five factors in the model represents a continuum along which individuals can vary, from one extreme to another.
Openness
Openness to experience, often simply referred to as Openness, is characterized by a willingness to experience new things, a high degree of creativity and imagination, and a broad range of interests. People high in Openness are often described as adventurous, imaginative, and curious, while those low in Openness may be more conventional and resistant to change.
Conscientiousness
Conscientiousness refers to the degree to which a person is organized, responsible, and dependable. Highly conscientious individuals are often described as being thorough, careful, reliable, and disciplined, while those low in Conscientiousness may be more spontaneous and less consistent in their behaviors.
Extraversion
Extraversion is characterized by a preference for social interaction, high levels of energy, and a tendency towards action rather than contemplation. Extraverts are often described as outgoing, talkative, and energetic, while introverts (those low in Extraversion) may be more reserved, quiet, and reflective.
Agreeableness
Agreeableness refers to the degree to which a person is compassionate, cooperative, and eager to avoid conflict. Highly agreeable individuals are often described as kind, warm, and cooperative, while those low in Agreeableness may be more competitive and confrontational.
Neuroticism
Neuroticism, also known as Emotional Stability, is characterized by a person's tendency to experience negative emotions, such as anxiety, anger, or depression. Individuals high in Neuroticism are often described as being moody, anxious, or irritable, while those low in Neuroticism may be more calm, emotionally stable, and free from persistent negative feelings.
Measurement
The Five Factor Model is typically measured using self-report inventories, the most common of which is the NEO Personality Inventory. This questionnaire asks individuals to rate themselves on a series of statements that reflect the five factors. Other measures include the Big Five Inventory (BFI) and the Ten Item Personality Inventory (TIPI).
Criticisms and Controversies
Despite its widespread acceptance, the Five Factor Model has been subject to several criticisms. Some psychologists argue that the model is too simplistic and fails to capture the complexity of human personality. Others suggest that the five factors are not universally applicable across different cultures. Additionally, there is ongoing debate about whether these five factors are truly distinct, or whether they overlap with one another or with other personality traits.
Applications
The Five Factor Model has been used in a wide range of contexts, from psychological research and clinical practice to business and industry. In clinical settings, it can help psychologists understand a client's personality and predict their behavior. In research, it provides a framework for studying the relationships between personality and other psychological constructs. In business, it can be used for personnel selection and to predict job performance.