This experiment examined the impact of experimentally varied perceived self-efficacy in exercising control over stressors on components of the immunological system. Immunological changes while coping with phobic stressors were measured within an intrasubject control design that included a baseline phase, an efficacy-acquisition phase, and a maximal-efficacy phase. In each of these phases, perceived coping self-efficacy, level of autonomic and endocrine activation, and several components of the immunological system were measured. Development of strong perceived self-efficacy to control phobic stressors had an immunoenhancing effect. A slow growth of perceived self-efficacy, heart rate acceleration, and cortisol activation attenuated immunological system status during the efficacy-acquisition phase. Rapid growth of perceived self-efficacy also predicted maintenance of immunoenhancement during the maximal perceived self-efficacy phase.
Many medical professionals feel that a choice of long-term ventilatory support leads to a life of hopeless desperation. We compared the sociodemographic, physical and psychological status of 18 amyotrophic lateral sclerosis/motor neurone disease (ALS/MND) patients on ventilatory support for 1 to 120 months with that of 126 nonventilatory-supported ALS/MND patients. Patients filled out a comprehensive data form and completed ten psychological tests. A composite psychological status score was computed, representing a continuum from psychological distress to psychological well-being. Mann-Whitney and chi 2 tests were used to compare the two groups. There were no significant differences in sociodemographic makeup, depression, hopelessness, overall quality of life or psychological well-being. However, ventilatory-supported patients had a more internal health locus of control. Many patients on ventilatory support were able to live high quality lives. When ventilatory support is an option, we suggest that medical professionals be supportive of the patient's choices and recognise that a decision for ventilatory support is probably the best predictor of an acceptable quality of life on a ventilator.
A physical examination including resting blood pressure, heart rate, Tanner scales, height, and weight was administered to 184 students in the fifth, seventh, and ninth grades. They completed the Physical Symptoms of Stress Inventory, Health Habits Inventory, and two self-monitoring logs of physical symptoms. School absenteeism, medical records, physician ratings, and family health history data were collected. No significant differences between high- and low-Type A behavior pattern (TABP) subjects were found on any of the physical measurements. However, retrospective and prospective reports of physical symptoms revealed a consistent pattern: high TABP subjects reported significantly more physical symptoms than low-TABP subjects. Self-ratings of stress and tension were significantly higher for high-TABP subjects. High-TABP subjects, however, neither missed more school because of illness nor used physician services more often than low subjects. Further, expected relationships between physical symptoms and illness behavior, including school absence, were evident only for low subjects.
Emotional and behavioral correlates of Type A behavior in children and adolescents were examined in 184 fifth-, seventh-, and ninth-grade students, classified as high or low Type A, using self-report, teacher ratings (fifth grade only), and structured interview procedures. Measures included the Hunter-Wolf A-B Rating Scale, Behavioral Symptoms of Stress Inventory, Dimensions of Temperament Survey, Desire for Control Scale, Eysenck Personality Inventory, and the Multiple Affect Adjective Checklist. High Type A children reported significantly more stressed-related behaviors, higher levels of depression, anger, anxiety, and cognitive disorganization, and greater reactivity than Low Type A. No differences were found on measures of temperament (activity level, attention span, adaptibility, and rhythmicity), desire for control, or introversion-extroversion. Females, in general, reported significantly more behavioral stress symptoms. However, no other gender differences were found. Possible reasons for reported differences between Type A children and adults are discussed, along with gender differences in behavioral symptoms. Need for multiple measures of Type A across situation is considered along with need for controlled longitudinal studies of Type A components and the influence of contexts.
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