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1,768 12- to 18-year-old boys, in pairs from five constellations (identical and fraternal twins, brothers, unrelated boys raised together and a random general population sample) were measured by the O-A (performance) personality battery on source traits UI 16, 17 and 19. Corrections were made for ages and test validities in computing observed variances.(More)
Tested over 3,000 boys (identical and fraternal twins, ordinary sibs, general population) aged 12-18 on Ego Strength, Super Ego Strength, and Self Sentiment. The Multiple Abstract Variance Analysis (MAVA) method was used to obtain estimates of abstract (hereditary, environmental) variances and covariances that contribute to total variation in the three(More)
Basing hypotheses on interpretations of 12 personality factors most replicated in 10 past researches with children, this experiment sets up about eight subtests as specific markers for each. Ninety-five tests, taking eight hours in all, were administered to 394 14-16-year olds. A majority of the personality pattern hypotheses were sustained factor(More)
depression: A test of the specific vulnerability and symptom specificity hypothesis. (2000). Ambulance personnel and critical incidents: Impact of accident and emergency work on mental health and emotional well-being. and pain complaints among firefighters and paramedics. 307 intervention for a metropolitan fire department.Autonomy Scale: A measure of(More)
A Series of questionnaire items designed to measure the psychological states of anxiety, depression, effort stress and fatigue were administered to 151 male and female subjects and then readministered, one month later, to the same subjects. Difference scores, some based on individual items and some on item parcels, were intercorrelated and factor analyzed.(More)
Describe four personality factors with preliminary indications of distinguishing depressed patients from normals, namely those indexed in the O-A Kit as U.I. 19, U.I. 20, U.I. 25 and U.I. 30. Thirty-one clinically depressed Ss--22 inpatients and 9 outpatients--were administered the O-A (Objective-Analytic) battery for these four and the scores compared with(More)