Personality Inventory: Check list, usually to be filled out by a person about himself, consisting of many statements about personal characteristics which the subject checks.MMPI: A personality inventory consisting of statements to be asserted or denied by the individual. The patterns of response are characteristic of certain personality attributes.Personality: Behavior-response patterns that characterize the individual.Extraversion (Psychology): A state in which attention is largely directed outward from the self.Neurotic Disorders: Disorders in which the symptoms are distressing to the individual and recognized by him or her as being unacceptable. Social relationships may be greatly affected but usually remain within acceptable limits. The disturbance is relatively enduring or recurrent without treatment.Personality Disorders: A major deviation from normal patterns of behavior.Introversion (Psychology): A state in which attention is largely directed inward upon one's self.Character: In current usage, approximately equivalent to personality. The sum of the relatively fixed personality traits and habitual modes of response of an individual.Hysteria: Historical term for a chronic, but fluctuating, disorder beginning in early life and characterized by recurrent and multiple somatic complaints not apparently due to physical illness. This diagnosis is not used in contemporary practice.Personality Assessment: The determination and evaluation of personality attributes by interviews, observations, tests, or scales. Articles concerning personality measurement are considered to be within scope of this term.Antisocial Personality Disorder: A personality disorder whose essential feature is a pervasive pattern of disregard for, and violation of, the rights of others that begins in childhood or early adolescence and continues into adulthood. The individual must be at least age 18 and must have a history of some symptoms of CONDUCT DISORDER before age 15. (From DSM-IV, 1994)Psychophysiologic Disorders: A group of disorders characterized by physical symptoms that are affected by emotional factors and involve a single organ system, usually under AUTONOMIC NERVOUS SYSTEM control. (American Psychiatric Glossary, 1988)Borderline Personality Disorder: A personality disorder marked by a pattern of instability of interpersonal relationships, self-image, and affects, and marked impulsivity beginning by early adulthood and present in a variety of contexts. (DSM-IV)Personality Tests: Standardized objective tests designed to facilitate the evaluation of personality.Psychometrics: Assessment of psychological variables by the application of mathematical procedures.Psychiatric Status Rating Scales: Standardized procedures utilizing rating scales or interview schedules carried out by health personnel for evaluating the degree of mental illness.Schizotypal Personality Disorder: A personality disorder in which there are oddities of thought (magical thinking, paranoid ideation, suspiciousness), perception (illusions, depersonalization), speech (digressive, vague, overelaborate), and behavior (inappropriate affect in social interactions, frequently social isolation) that are not severe enough to characterize schizophrenia.Depression: Depressive states usually of moderate intensity in contrast with major depression present in neurotic and psychotic disorders.Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Personality Development: Growth of habitual patterns of behavior in childhood and adolescence.Compulsive Personality Disorder: Disorder characterized by an emotionally constricted manner that is unduly conventional, serious, formal, and stingy, by preoccupation with trivial details, rules, order, organization, schedules, and lists, by stubborn insistence on having things one's own way without regard for the effects on others, by poor interpersonal relationships, and by indecisiveness due to fear of making mistakes.Paranoid Personality Disorder: A personality disorder characterized by the avoidance of accepting deserved blame and an unwarranted view of others as malevolent. The latter is expressed as suspiciousness, hypersensitivity, and mistrust.Type A Personality: Established behavior pattern characterized by excessive drive and ambition, impatience, competitiveness, sense of time urgency, and poorly contained aggression.Temperament: Predisposition to react to one's environment in a certain way; usually refers to mood changes.Diagnostic and Statistical Manual of Mental Disorders: Categorical classification of MENTAL DISORDERS based on criteria sets with defining features. It is produced by the American Psychiatric Association. (DSM-IV, page xxii)Histrionic Personality Disorder: A personality disorder characterized by overly reactive and intensely expressed or overly dramatic behavior, proneness to exaggeration, emotional excitability, and disturbances in interpersonal relationships.Narcissism: A psychoanalytic term meaning self-love.Type D Personality: Behavior pattern characterized by negative emotionality, an inability to express emotions, and social isolation, which has been linked to greater cardiovascular disease and increased mortality. (from International Encyclopedia of the Social Sciences, 2008, p. 217)Impulsive Behavior: An act performed without delay, reflection, voluntary direction or obvious control in response to a stimulus.Anxiety: Feeling or emotion of dread, apprehension, and impending disaster but not disabling as with ANXIETY DISORDERS.Models, Psychological: Theoretical representations that simulate psychological processes and/or social processes. These include the use of mathematical equations, computers, and other electronic equipment.Schizoid Personality Disorder: A personality disorder manifested by a profound defect in the ability to form social relationships, no desire for social involvement, and an indifference to praise or criticism.Factor Analysis, Statistical: A set of statistical methods for analyzing the correlations among several variables in order to estimate the number of fundamental dimensions that underlie the observed data and to describe and measure those dimensions. It is used frequently in the development of scoring systems for rating scales and questionnaires.Interview, Psychological: A directed conversation aimed at eliciting information for psychiatric diagnosis, evaluation, treatment planning, etc. The interview may be conducted by a social worker or psychologist.Aggression: Behavior which may be manifested by destructive and attacking action which is verbal or physical, by covert attitudes of hostility or by obstructionism.Anxiety Disorders: Persistent and disabling ANXIETY.Dependent Personality Disorder: A personality disorder characterized by a pervasive and excessive need to be taken care of that leads to submissive and clinging behavior and fears of separation, beginning by early adulthood and present in a variety of contexts. (From DSM-IV, 1994)Conscience: The cognitive and affective processes which constitute an internalized moral governor over an individual's moral conduct.Reproducibility of Results: The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.Ecological and Environmental Phenomena: Ecological and environmental entities, characteristics, properties, relationships and processes.Stress, Psychological: Stress wherein emotional factors predominate.Passive-Aggressive Personality Disorder: A personality disorder characterized by an indirect resistance to demands for adequate social and occupational performance; anger and opposition to authority and the expectations of others that is expressed covertly by obstructionism, procrastination, stubbornness, dawdling, forgetfulness, and intentional inefficiency. (Dorland, 27th ed)Depressive Disorder: An affective disorder manifested by either a dysphoric mood or loss of interest or pleasure in usual activities. The mood disturbance is prominent and relatively persistent.Emotions: Those affective states which can be experienced and have arousing and motivational properties.Affect: The feeling-tone accompaniment of an idea or mental representation. It is the most direct psychic derivative of instinct and the psychic representative of the various bodily changes by means of which instincts manifest themselves.Interpersonal Relations: The reciprocal interaction of two or more persons.Adaptation, Psychological: A state of harmony between internal needs and external demands and the processes used in achieving this condition. (From APA Thesaurus of Psychological Index Terms, 8th ed)Behavioral Research: Research that involves the application of the behavioral and social sciences to the study of the actions or reactions of persons or animals in response to external or internal stimuli. (from American Heritage Dictionary, 4th ed)Ego: The conscious portion of the personality structure which serves to mediate between the demands of the primitive instinctual drives, (the id), of internalized parental and social prohibitions or the conscience, (the superego), and of reality.Psychological Tests: Standardized tests designed to measure abilities, as in intelligence, aptitude, and achievement tests, or to evaluate personality traits.Self Concept: A person's view of himself.Affective Symptoms: Mood or emotional responses dissonant with or inappropriate to the behavior and/or stimulus.Comorbidity: The presence of co-existing or additional diseases with reference to an initial diagnosis or with reference to the index condition that is the subject of study. Comorbidity may affect the ability of affected individuals to function and also their survival; it may be used as a prognostic indicator for length of hospital stay, cost factors, and outcome or survival.Mental Disorders: Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed primarily as abnormalities of thought, feeling, and behavior producing either distress or impairment of function.Severity of Illness Index: Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.Psychopathology: The study of significant causes and processes in the development of mental illness.Hostility: Tendency to feel anger toward and to seek to inflict harm upon a person or group.Longitudinal Studies: Studies in which variables relating to an individual or group of individuals are assessed over a period of time.Individuality: Those psychological characteristics which differentiate individuals from one another.Defense Mechanisms: Unconscious process used by an individual or a group of individuals in order to cope with impulses, feelings or ideas which are not acceptable at their conscious level; various types include reaction formation, projection and self reversal.Social Behavior: Any behavior caused by or affecting another individual, usually of the same species.Exploratory Behavior: The tendency to explore or investigate a novel environment. It is considered a motivation not clearly distinguishable from curiosity.Quality of Life: A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral and social environment; the overall condition of a human life.