236 research outputs found
A culture of audience engagement in the news industry
Title from PDF of title page (University of Missouri--Columbia, viewed on June 7, 2012).The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file.Thesis advisor: Dr. Yong VolzIncludes bibliographical references.M.A. University of Missouri--Columbia 2011."December 2011"This research examines the concept of audience engagement in journalism, and the changing nature of the relationship between journalists and their audiences. It uses the theoretical framework of newsroom sociology and organizational culture to explore how journalists are incorporating new audience-focused values into their work. The researcher employed in-depth interviews with 29 journalists, a case study of one newsroom undergoing bold experiments, and a national survey of daily newspaper editors to attain a broad look at how journalists in different situations are finding ways to get audiences more involved in their journalism. The research identified three major categories of audience engagement: community outreach, conversation and collaboration. This study will expand our understanding of an emerging culture in newsrooms
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Brain tissue volume changes following weight gain in adults with anorexia nervosa
Objective: To measure brain volume deficits among underweight patients with anorexia nervosa (AN) compared to control participants and evaluate the reversibility of these deficits with short-term weight restoration. Method: Brain volume changes in gray matter (GM), white matter (WM), and cerebrospinal fluid (CSF) were examined in 32 adult women with AN and compared to 21, age and body mass index-range matched control women. Results: Patients with AN had a significant increase in GM (p = .006, η2 = 0.14) and WM volume (p = .001, η2 = 0.19) following weight restoration. Patients on average had lower levels of GM at low weight (647.63 ± 62.07 ml) compared to controls (679.93 ± 53.31 ml), which increased with weight restoration (662.64 ± 69.71 ml), but did not fully normalize. Discussion: This study suggests that underweight adult patients with AN have reduced GM and WM volumes that increase with short-term weight restoration
Ion beam lithography for Fresnel zone plates in X-ray microscopy
Fresnel Zone Plates (FZP) are to date very successful focusing optics for
X-rays. Established methods of fabrication are rather complex and based on
electron beam lithography (EBL). Here, we show that ion beam lithography (IBL)
may advantageously simplify their preparation. A FZP operable from the extreme
UV to the limit of the hard X-ray was prepared and tested from 450 eV to 1500
eV. The trapezoidal profile of the FZP favorably activates its 2nd order focus.
The FZP with an outermost zone width of 100 nm allows the visualization of
features down to 61, 31 and 21 nm in the 1st, 2nd and 3rd order focus
respectively. Measured efficiencies in the 1st and 2nd order of diffraction
reach the theoretical predictions
The most plausible explanation of the cyclical period changes in close binaries: the case of the RS CVn-type binary WW Dra
We searched the orbital period changes in 182 EA-type (including the 101
Algol systems used by \cite{hal89}), 43 EB-type and 53 EW-type binaries with
known both the mass ratio and the spectral type of their secondary components.
We reproduced and improved the same diagram as Hall's (1989) according to the
new collected data. Our plots do not support the conclusion derived by
\cite{hal89} that all cases of cyclical period changes are restricted to
binaries having the secondary component with spectral types later than F5. The
presence of period changes also among stars with secondary component of early
type indicates that the magnetic activity is one cause, but not the only one,
for the period variation. It is discovered that cyclic period changes, likely
due to the presence of a third body are more frequent in EW-type binaries among
close binaries. Therefore, the most plausible explanation of the cyclical
period changes is the LTTE via the presence of a third body. By using the
century-long historical record of the times of light minimum, we analyzed the
cyclical period change in the Algol binary WW Dra. It is found that the orbital
period of the binary shows a cyclic variation
with an amplitude of . The cyclic oscillation
can be attributed to the LTTE via a third body with a mass no less than . However, no spectral lines of the third body were discovered
indicating that it may be a candidate black hole. The third body is orbiting
the binary at a distance shorter than 14.4 AU and it may play an important role
in the evolution of this system.Comment: 9 pages, 5 figures, published by MNRA
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Bridging the Gap: An Impact Study of Eight Developmental Summer Bridge Programs in Texas
Developmental summer bridge programs are a popular strategy for increasing college readiness among recent high school graduates. Aimed at providing an alternative to traditional developmental education, these programs provide accelerated and focused learning opportunities in order to help students acquire the knowledge and skills needed for college success. The current study uses an experimental design to evaluate the outcomes of eight developmental summer bridge programs offered in Texas during the summer of 2009. At each college, students who consented to participate in the study were randomly assigned to either a program group that was eligible to participate in a developmental summer bridge program or a control group that was eligible to use any other services that the college provided. Based on a program model developed by the Texas Higher Education Coordinating Board, the developmental summer bridge programs in this study included four common features: accelerated instruction in developmental math, reading, and/or writing; academic support; a “college knowledge” component; and the opportunity to earn a $400 stipend
Appointments, pay and performance in UK boardrooms by gender
This article uses UK data to examine issues regarding the scarcity of women in boardroom positions. The article examines appointments, pay and any associated productivity effects deriving from increased diversity. Evidence of gender-bias in the appointment of women as non-executive directors is found together with mixed evidence of discrimination in wages or fees paid. However, the article finds no support for the argument that gender diverse boards enhance corporate performance. Proposals in favour of greater board diversity may be best structured around the moral value of diversity, rather than with reference to an expectation of improved company performance
Associations between police harassment and distrust in and reduced access to healthcare among Black sexual minority men: A longitudinal analysis of HPTN 061
Objective: Evaluate associations between racialized and homophobia-based police harassment (RHBPH) and healthcare distrust and utilization among Black Sexual Minority Men (BSMM). Methods: We utilized data from a longitudinal cohort study from HIV Prevention Trials Network (HPTN) 061 with baseline, six and 12 month follow-up assessments. Using multivariable analysis, we evaluated associations between RHBPH and healthcare distrust and utilization reported at the 6 and 12 month visits. Results: Of 1553 BSMM present at baseline, 1160 were available at six-month follow-up. In multivariable analysis, increasing frequency of RHBPH was associated with increasing levels of distrust in healthcare providers (aOR 1.31, 95% CI: 1.00, 1.74) and missing 50% or more of healthcare visits at six-month follow-up (aOR 1.93, 95% CI: 1.09, 3.43). Conclusions: Recent experiences of RHBPH are associated with reduced trust in and access to healthcare among BSMM, with more frequent RHBPH associated with greater vulnerability.</p
The mechanisms and processes of connection: developing a causal chain model capturing impacts of receiving recorded mental health recovery narratives.
BACKGROUND: Mental health recovery narratives are a core component of recovery-oriented interventions such as peer support and anti-stigma campaigns. A substantial number of recorded recovery narratives are now publicly available online in different modalities and in published books. Whilst the benefits of telling one's story have been investigated, much less is known about how recorded narratives of differing modalities impact on recipients. A previous qualitative study identified connection to the narrator and/or to events in the narrative to be a core mechanism of change. The factors that influence how individuals connect with a recorded narrative are unknown. The aim of the current study was to characterise the immediate effects of receiving recovery narratives presented in a range of modalities (text, video and audio), by establishing the mechanisms of connection and the processes by which connection leads to outcomes. METHOD: A study involving 40 mental health service users in England was conducted. Participants were presented with up to 10 randomly-selected recovery narratives and were interviewed on the immediate impact of each narrative. Thematic analysis was used to identify the mechanisms of connection and how connection leads to outcome. RESULTS: Receiving a recovery narrative led participants to reflect upon their own experiences or those of others, which then led to connection through three mechanisms: comparing oneself with the narrative and narrator; learning about other's experiences; and experiencing empathy. These mechanisms led to outcomes through three processes: the identification of change (through attending to narrative structure); the interpretation of change (through attending to narrative content); and the internalisation of interpretations. CONCLUSIONS: This is the first study to identify mechanisms and processes of connection with recorded recovery narratives. The empirically-based causal chain model developed in this study describes the immediate effects on recipients. This model can inform selection of narratives for use in interventions, and be used to support peer support workers in recounting their own recovery narratives in ways which are maximally beneficial to others
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