Measuring stress-causing effects of working with computer terminals. Questionnaire organizational stress ( VOS ) / work role ambiguity, responsibility, work-load, participation, inadequate use of knowledge and skill, role conflict, future perspectives, relation with colleagues and boss, tension between departments, helpfulness of others, dissatisfaction, self appreciation, anxiety about functioning, psychic psychosomatic, physical complaints, smoking, drinking, absenteeism, rigidity, a/b typology, personality, rigidity, dogmatism. Background variables: basic characteristics/ education