1,098 research outputs found

    Enhancing semantic congruity effects with category-contingent comparative judgments

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    In each of two experiments the direction of a binary comparison was contingent on the category of the stimulus pair. In one experiment, participants had to compare the size of animals from memory. On congruent trials, they had to select the smaller animal if both were small and the larger if both were large and on incongruent trials they selected the larger if both were small and the smaller if both were large. In a second experiment, participants had to compare visual extents and the direction of the comparison was contingent on whether the lines were short or long. RTs were increased and semantic congruity effects were greatly amplified with the category contingent instructions relative to the conventional non-contingent instructions, precisely as predicted by the class of evidence accrual models of decisional processing and contrary to the single sample stage models of the semantic congruity effect

    Population assessment of future trajectories in coronary heart disease mortality.

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    Background: Coronary heart disease (CHD) mortality rates have been decreasing in Iceland since the 1980s, largely reflecting improvements in cardiovascular risk factors. The purpose of this study was to predict future CHD mortality in Iceland based on potential risk factor trends. Methods and findings: The previously validated IMPACT model was used to predict changes in CHD mortality between 2010 and 2040 among the projected population of Iceland aged 25–74. Calculations were based on combining: i) data on population numbers and projections (Statistics Iceland), ii) population risk factor levels and projections (Refine Reykjavik study), and iii) effectiveness of specific risk factor reductions (published meta-analyses). Projections for three contrasting scenarios were compared: 1) If the historical risk factor trends of past 30 years were to continue, the declining death rates of past decades would level off, reflecting population ageing. 2) If recent trends in risk factors (past 5 years) continue, this would result in a death rate increasing from 49 to 70 per 100,000. This would reflect a recent plateau in previously falling cholesterol levels and recent rapid increases in obesity and diabetes prevalence. 3) Assuming that in 2040 the entire population enjoys optimal risk factor levels observed in low risk cohorts, this would prevent almost all premature CHD deaths before 2040. Conclusions: The potential increase in CHD deaths with recent trends in risk factor levels is alarming both for Iceland and probably for comparable Western populations. However, our results show considerable room for reducing CHD mortality. Achieving the best case scenario could eradicate premature CHD deaths by 2040. Public health policy interventions based on these predictions may provide a cost effective means of reducing CHD mortality in the future

    Signs and Providence: A Study of Ulrich Zwingli\u27s Sacramental Theology

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    This dissertation considers the role of the doctrine of divine providence in the sacramental theology of Ulrich Zwingli. This is done by treating Zwingli in the context of his personal history, his broader sacramental thought, including his treatment of the Word and preaching, and his historical development in his writings on the Lord \u27s Supper. The attempt is made to understand the personal importance of this doctrine for Zwingli and the way it functions within his theology of the sacraments. Each subject area and document is considered in the light of three questions. What is the relationship between human action and divine action? What is the relationship between Christ’s presence and the sacrament? What is the role and function of the sacrament? This study concludes that Zwingli’s affirmation of absolute providence consistently functions as a determinative principle in his sacramental theology, defining his foundational understanding of the sacraments and establishing the parameters of his sacramental thought
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