1,050 research outputs found
The Interaction of Post-Partum Depression and Maternal Knowledge of Infant Development on Change in Sensitive and Responsive Parenting during Early Infancy
Sensitive and responsive parenting during early infancy is highly understudied, particularly in families with a low socioeconomic status. Longitudinal data from 41 mothers and their 4 to 16 week old infants found that accurate maternal knowledge of infant development positively affected parenting contemporaneously and over time while depression did not affect parenting in this sample. Implications for intervention and research are discussed
Reading Success Stories: Case Studies of Somali Elementary Students
A major challenge that elementary ESL teachers face is that of helping students achieve reading competency. There are many factors that play a part in learning to read in a first language. English Learners have additional challenges as they learn to read in a second language. These factors and challenges are investigated and reviewed within this study. The author was curious about a few Somali students in her school who achieve high levels of reading proficiency. The research question for this study was, what factors lead to reading success for Somali elementary students and how do we support these students? This study consisted of interviews with the parents and teachers of three Somali elementary students, as well as classroom observations and review of data, to determine possible factors that promote second language reading success
Forecast Errors Before and After the Great Moderation
This paper investigates the change in private-sector and Federal Reserve forecasts before and after the Great Moderation. We view the Great Moderation as a natural experiment. Using forecasts produced by the Survey of Professional Forecasters and the Federal Reserve (Greenbook forecasts) we investigate four questions: 1) How large was the decline in forecast errors? 2) Did forecast accuracy improve relative to the decline in volatility of growth and inflation? 3) Did forecasters respond to the Great Moderation? 4) What are the potential benefits to monetary policymakers of smaller forecast errors? We find that the absolute median error as well as the cross-sectional volatility of forecast errors decreased significantly. Forecasters appeared to have narrowed the dispersion of their forecasts in response to the Great Moderation. Forecast accuracy did not improve relative to the reduction in the volatility of the economy. To the extent that the Fed is forward-looking when it sets its federal funds rate target, improvements in forecast accuracy imply substantial improvements in the Fed’s ability to reach its optimum federal funds rate target.forecast errors, Greenbook, Survey of Professional Forecasters, Great Moderation
Should Dogs and Cats be Given as Gifts?
Policies that state pets should not be adopted as gifts are prevalent at animal welfare organizations, despite the fact that this belief is unfounded. Denying adopters who intend to give the animals as gifts may unnecessarily impede the overarching goal of increasing adoptions of pets from our nations' shelter system. We found that receiving a dog or cat as a gift was not associated with impact on self-perceived love/attachment, or whether the dog or cat was still in the home. These results suggest there is no increased risk of relinquishment for dogs and cats received as a gift
Antigen receptor signaling in the rheumatic diseases
Antigen receptor signaling in lymphocytes has been clearly implicated in the pathogenesis of the rheumatic diseases. Here, we review evidence from mouse models in which B-cell and T-cell signaling machinery is perturbed as well as data from functional studies of primary human lymphocytes and recent advances in human genetics. B-cell receptor hyper-responsiveness is identified as a nearly universal characteristic of systemic lupus erythema-tosus in mice and humans. Impaired and enhanced T-cell receptor signaling are both associated with distinct inflammatory diseases in mice. Mechanisms by which these pathways contribute to disease in mouse models and patients are under active investigation
Best Practices in Instructional Design for Distance Learning Information Literacy Courses
Join a collaborative team comprised of an instructional designer and an instructor-librarian as they lead a workshop to share best practices in instructional design for online/distance information literacy (IL) courses. Participants will develop an action plan to help them construct an online course template that will boost instructor presence; improve accessibility; facilitate interaction; and positively affect student learning experiences
The Influence of Race/Ethnicity and Place of Service on Breast Reconstruction for Medicare Beneficiaries with Mastectomy
Racial disparities in breast reconstruction for breast cancer are documented. Place of service has contributed to disparities in cancer care; but the interaction of race/ethnicity and place of service has not been explicitly examined. We examined whether place of service modified the effect of race/ethnicity on receipt of reconstruction. We included women with a mastectomy for incident breast cancer in SEER-Medicare from 2005-2009. Using Medicare claims, we determined breast reconstruction within 6 months. Facility characteristics included: rural/urban location, teaching status, NCI Cancer Center designation, cooperative oncology group membership, Disproportionate Share Hospital (DSH) status, and breast surgery volume. Using multivariable logistic regression, we analyzed reconstruction in relation to minority status and facility characteristics. Of the 17,958 women, 14.2% were racial/ethnic women of color and a total of 9.3% had reconstruction. Caucasians disproportionately received care at non-teaching hospitals (53% v. 42%) and did not at Disproportionate Share Hospitals (77% v. 86%). Women of color had 55% lower odds of reconstruction than Caucasians (OR = 0.45; 95% CI 0.37-0.55). Those in lower median income areas had lower odds of receiving reconstruction, regardless of race/ethnicity. Odds of reconstruction reduced at rural, non-teaching and cooperative oncology group hospitals, and lower surgery volume facilities. Facility effects on odds of reconstruction were similar in analyses stratified by race/ethnicity status. Race/ethnicity and facility characteristics have independent effects on utilization of breast reconstruction, with no significant interaction. This suggests that, regardless of a woman\u27s race/ethnicity, the place of service influences the likelihood of reconstruction
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Reporters of TCR signaling identify arthritogenic T cells in murine and human autoimmune arthritis.
How pathogenic cluster of differentiation 4 (CD4) T cells in rheumatoid arthritis (RA) develop remains poorly understood. We used Nur77-a marker of T cell antigen receptor (TCR) signaling-to identify antigen-activated CD4 T cells in the SKG mouse model of autoimmune arthritis and in patients with RA. Using a fluorescent reporter of Nur77 expression in SKG mice, we found that higher levels of Nur77-eGFP in SKG CD4 T cells marked their autoreactivity, arthritogenic potential, and ability to more readily differentiate into interleukin-17 (IL-17)-producing cells. The T cells with increased autoreactivity, nonetheless had diminished ex vivo inducible TCR signaling, perhaps reflective of adaptive inhibitory mechanisms induced by chronic autoantigen exposure in vivo. The enhanced autoreactivity was associated with up-regulation of IL-6 cytokine signaling machinery, which might be attributable, in part, to a reduced amount of expression of suppressor of cytokine signaling 3 (SOCS3)-a key negative regulator of IL-6 signaling. As a result, the more autoreactive GFPhi CD4 T cells from SKGNur mice were hyperresponsive to IL-6 receptor signaling. Consistent with findings from SKGNur mice, SOCS3 expression was similarly down-regulated in RA synovium. This suggests that despite impaired TCR signaling, autoreactive T cells exposed to chronic antigen stimulation exhibit heightened sensitivity to IL-6, which contributes to the arthritogenicity in SKG mice, and perhaps in patients with RA
Looking back, moving forward: Reducing HIV-related stigma, Horizons studies 2000 to 2007
In 1997, the Population Council initiated the Horizons Program—a decade-long USAID-funded collaboration with the International Center for Research on Women, the International HIV/AIDS Alliance, PATH, Tulane University, Family Health International, and Johns Hopkins University—designing, implementing, evaluating, and expanding innovative strategies for HIV prevention and care. Horizons developed and tested ways to optimize HIV prevention, care, and treatment programs; worked to reduce stigma and improve gender-biased behaviors; and greatly expanded knowledge about the best ways to support, protect, and treat children affected by HIV and AIDS. In all its projects, Horizons strengthened the capacity of local institutions by providing support and training to colleagues. This synthesis paper presents lessons learned and best practices on one of the key topics that Horizons investigated: HIV-related stigma
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