Peer Group: Group composed of associates of same species, approximately the same age, and usually of similar rank or social status.Sociometric Techniques: Methods for quantitatively assessing and measuring interpersonal and group relationships.Social Alienation: The state of estrangement individuals feel in cultural settings that they view as foreign, unpredictable, or unacceptable.Agonistic Behavior: Any behavior associated with conflict between two individuals.Social Identification: The process by which an aspect of self image is developed based on in-group preference or ethnocentrism and a perception of belonging to a social or cultural group. (From APA, Thesaurus of Psychological Index Terms, 8th ed.)Sense of Coherence: A view of the world and the individual's environment as comprehensible, manageable, and meaningful, claiming that the way people view their life has a positive influence on their health.Group Structure: The informal or formal organization of a group of people based on a network of personal relationships which is influenced by the size and composition, etc., of the group.Psychosexual Development: The stages of development of the psychological aspects of sexuality from birth to adulthood; i.e., oral, anal, genital, and latent periods.Social Behavior Disorders: Behaviors which are at variance with the expected social norm and which affect other individuals.Interpersonal Relations: The reciprocal interaction of two or more persons.Peer Review: An organized procedure carried out by a select committee of professionals in evaluating the performance of other professionals in meeting the standards of their specialty. Review by peers is used by editors in the evaluation of articles and other papers submitted for publication. Peer review is used also in the evaluation of grant applications. It is applied also in evaluating the quality of health care provided to patients.Aggression: Behavior which may be manifested by destructive and attacking action which is verbal or physical, by covert attitudes of hostility or by obstructionism.Adolescent Behavior: Any observable response or action of an adolescent.Economics, Hospital: Economic aspects related to the management and operation of a hospital.Malawi: A republic in southern Africa east of ZAMBIA and MOZAMBIQUE. Its capital is Lilongwe. It was formerly called Nyasaland.Schools: Educational institutions.Social Environment: The aggregate of social and cultural institutions, forms, patterns, and processes that influence the life of an individual or community.Education, Medical, Continuing: Educational programs designed to inform physicians of recent advances in their field.Peer Review, Health Care: The concurrent or retrospective review by practicing physicians or other health professionals of the quality and efficiency of patient care practices or services ordered or performed by other physicians or other health professionals (From The Facts On File Dictionary of Health Care Management, 1988).Health Knowledge, Attitudes, Practice: Knowledge, attitudes, and associated behaviors which pertain to health-related topics such as PATHOLOGIC PROCESSES or diseases, their prevention, and treatment. This term refers to non-health workers and health workers (HEALTH PERSONNEL).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.Peer Review, Research: The evaluation by experts of the quality and pertinence of research or research proposals of other experts in the same field. Peer review is used by editors in deciding which submissions warrant publication, by granting agencies to determine which proposals should be funded, and by academic institutions in tenure decisions.Risk Factors: An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.Rejection (Psychology): Non-acceptance, negative attitudes, hostility or excessive criticism of the individual which may precipitate feelings of rejection.Friends: Persons whom one knows, likes, and trusts.