102,608 research outputs found

    Childhood predictors of criminal offending: results from a 19-year longitudinal epidemiological study of boys

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    Objective: To examine the relative contribution of hyperactivity, conduct, and emotional problems in predicting criminal offending. Method: In all, 173 boys aged 6 to 8 years (assessed for hyperactivity, conduct, and emotional problems) were followed up 19 years later by examining criminal offense histories. Results: Significant main effects for total and violent convictions were found, the strongest being for violent criminal offenses. Conduct problems predicted general offending (irrespective of the type of conviction), whereas emotional problems were the single best predictor of violent convictions. Hyperactivity was not a significant predictor in the models. Conclusion: The findings provide insight into the developmental mechanisms that mediate criminal behavior by showing that childhood emotional problems independently contribute to the risk of violent offending in later

    Returns to Education and Risky Financial Investment

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    The aim of this paper is to explore the relationship between wages, human capital and investment in financial assets with risky returns at the individual level. To explore this relationship from an international perspective, we analyse individual level data from the British Household Panel Survey, the German Socio-Economic Panel and the U.S. Panel Study of Income Dynamics. Our findings suggest that investment in financial assets with risky returns is positively associated with returns to human capital investment

    Song of heroes to paint: Song lyrics, letterforms and originality: A personal enquiry through artistic practice (painting, collage and montage)

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    Sixty percent lyrics in the song "Heroes" (Ā© 1974 Shuna Shelley) have been copyright-infringed since 1977. The practice research investigates how via production of paintings inclusive (by re-appropriation of true authorial entitlement), of song lyric text from genesis ā€“ a new and positive affecting presence in sonic iconography could be made to resound. As holder of intellectual property rights' entitlement on 1974 original written version of the song Heroes, and 60% lyrical content published without her permission, (all accreditation to the infringer/singer since 1977) the writer/painter visually returns her name onto her lyrics. Via this project Shuna Gough Taylor has displayed in new paintings her own invented refrain: Heroes // Donā€™t go away / / We // We can be Heroes // Just for our day / plus two verses: / I // I will be king // And you // You will be my queen / / And I wish // I wish you could swim // Like the dolphins // Like dolphins can swim /. / Obliquely we advance // Have taken our stance / / We can be Heroes // Just for our day // What dā€™you say? // Heroes / The artist has researched through psychology and empirics of exposition of text by promulgation in paintings. Other words by her also are seen in these paintings. It has been a practice research enveloped by the emotions of victimisation counterpointed with feelings of inspiration from, and empathy with, other (heroic) people and has developed in creativity an alternative, visual chemain; through utilization of colour, line, space, texture, montage and form with letters of word, inart-pieces that in re-appropriation, assert true copyright entitlement

    Medical microbiological analysis of Apollo-Soyuz test project crewmembers

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    The procedures and results of the Microbial Exchange Experiment (AR-002) of the Apollo-Soyuz Test Project are described. Included in the discussion of procedural aspects are methods and materials, in-flight microbial specimen collection, and preliminary analysis of microbial specimens. Medically important microorganisms recovered from both Apollo and Soyuz crewmen are evaluated

    Funding, school specialisation and test scores

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    We evaluate the effect on test scores of a UK education reform which has increased <br/>funding of schools and encouraged their specialisation in particular subject areas, enhancing pupil choice and competition between schools. Using several data sets, we apply cross-sectional and difference-in-differences matching models, to confront issues of the choice of an appropriate control group and different forms of selection bias. We demonstrate a statistically significant causal effect of the specialist schools policy on test score outcomes. The duration of specialisation matters, and we consistently find that the longer a school has been specialist the larger is the impact on test scores. We finally disentangle the funding effect from a specialisation effect, and the latter occurs yielding relatively large improvements in test scores in particular subjects.

    Planetary radar

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    The radar astronomy activities supported by the Deep Space Network are reported. The high power S- and X-band radar transmitters at the Goldstone 64 meter station were used for a radar probe of Mars during January, February, and March 1980, which was designed to provide range and Doppler data derived from signals reflected from the Martian surface, taking advantage of the planet's nearness during opposition

    Methods for microbiological and immunological studies of space flight crews

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    Systematic laboratory procedures compiled as an outgrowth of a joint U.S./U.S.S.R. microbiological-immunological experiment performed during the Apollo-Soyuz Test Project space flight are presented. Included are mutually compatible methods for the identification of aerobic and microaerophilic bacteria, yeast and yeastlike microorganisms, and filamentous fungi; methods for the bacteriophage typing of Staphylococcus aureus; and methods for determining the sensitivity of S. aureus to antibiotics. Immunological methods using blood and immunological and biochemical methods using salivary parotid fluid are also described. Formulas for media and laboratory reagents used are listed

    Debt and Risk Preference: A Household Level Analysis

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    We explore the relationship between risk preference and the level of unsecured debt at the household level within the context of a two period theoretical framework, which predicts that debt is a function of risk aversion. We test the predictions of our theoretical framework for a sample of households drawn from the U.S. Panel Study of Income Dynamics (PSID) and the U.S. Survey of Consumer Finances (SCF). Using a sequence of questions from the 1996 PSID and the 1989 to 2004 SCF, we construct measures of risk preference allowing us to explore the implications of interpersonal differences in risk preference for the accumulation of unsecured debt at the household level. Our empirical findings, which accord with our theoretical priors, suggest that risk preference is an important determinant of the level of unsecured debt acquired at the household level with risk aversion serving to reduce the level of unsecured debt accumulated by households
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