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One class of theories explains group induced shifts in individual choice in terms of interpersonal comparison process. By comparing himself with others a member finds out that his position is uncomfortably discrepant, e.g., he is overly cautious or overly risky. Knowledge of this discrepancy presumably is necessary and sufficient to induce him to change his(More)
The concept of stress as causative in human illness has been documented in studies relating significant illnesses to major life changes (i.e., marriage, parenthood, divorce, employment changes, etc.). Although some studies have related accidents to stress, the various types of stress involved were either poorly-defined or narrowly delineated by the specific(More)
The research of Holmes, Rahe, and their associates disclosing that life events and stress are related to the onset of physical illness is extended to the psychological domain in the present study. Using a modified version of their life events checklist, it is shown that an accumulation of life events is correlated with self-reported tension and distress,(More)
Decision-making processes and their outcomes were investigated in six consensus development conferences at the National Institutes of Health in which panels of experts evaluated new medical technologies. One hundred seventy-seven self-administered questionnaires were obtained from participants in these conferences. Questionnaire data were analyzed along(More)
The authors investigated closeness and other variables measuring depression in 22 identical and 13 fraternal twin pairs. Each twin rated him/herself on a two-part questionnaire; part 1 included questions on demographic characteristics and the twin relationship, and part 2, the Zung Self-Rating Depression Scale, measured depressive symptoms. There was a high(More)