نتایج جستجو برای: cross sectional
تعداد نتایج: 493228 فیلتر نتایج به سال:
BACKGROUND Lower socioeconomic position (SEP) is associated with an increased risk of suicidal behaviour in high-income countries, but this association is unclear in low-income and middle-income countries. METHODS We investigated the association of SEP with attempted suicide in a cross-sectional survey of 165 233 Sri Lankans. SEP data were collected at the household (assets, social standing (...
In this paper, we outline (i) why σ -convergence may not accompany β-convergence, (ii) discuss evidence of β-convergence in the United States, and (iii) use U.S. county-level data containing over 3,000 cross-sectional observations to demonstrate that σ -convergence cannot be detected at the county level across the United States, or within the large majority of the individual U.S. states conside...
This paper examines properties of daily stock returns and how the particular characteristics of these data affect event study methodologies. Daily data generally present few difficulties for event studies. Standard procedures are typically well-specified even when special daily data characteristics are ignored. However, recognition of autocorrelation in daily excess returns and changes in their...
Testing the idea that the process of forgiveness is intrinsically different across diverse relationships, this study examined the role of forgiveness in different family relationships. In 2 laboratory sessions 1 year apart, 114 families (each including 2 parents and 1 child) completed a new measure of family forgiveness and many individual-level, relationship-level, and family-level variables t...
The intensity scattered by a network of cross~section-polydispersed cylinders in which the mesh size is far larger than the largest cross-sectional radius is calculated by considering a weight distribution function of the type w(r) +~ r~~ with two cut-off radii,
ObjectiveTo assess the knowledge, attitude and perceived barriers towards practice of evidence based dentistry among Indian postgraduate dental students. MethodThis is a cross-sectional questionnaire study. 234 post-graduate dental students participated in the present study (response rate – 86.7%). Knowledge, attitude and perceived barriers towards practice of evidence based dentistry was asses...
This study attempts to further our understanding of the contextual sources of anti-immigrant sentiments by simultaneously examining the impact of immigrant group size, negative immigration-related news reports and their interaction on natives’ perceived group threat. We test our theoretical assumptions using repeated cross-sectional survey data from Spain during the time period 1996–2007, enric...
Developmental patterns of stress placement were examined in a cross-sectional study of native English-speaking children. Forty children blended two individually presented, equally-stressed syllables with varying syllable structures to produce disyllabic nonwords in noun and verb contexts. Children who blended the syllables to produce fluent nonwords showed an effect of syllabic structure on str...
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