Teachers’ Perceptions of a Multiple High-Risk Behavior Prevention Program and Delivery of Universal Programming

Much of the success of high-risk behavior prevention programs rests with teachers who deliver the curriculum however; few studies have investigated teachers\u27 perceptions of program implementation. The objective of this phenomenological study was to answer the question, “What are the experiences of teachers who are asked to be involved in the implementation process when their school adopts a multiple high-risk behavior prevention program”? Participants included 10 teachers at a local, private high school in the Southern United States. Five themes emerged: (a) lack of consistent historical effort, (b) need for program, (c) positive but tentative perceptions, (d) challenges with implementation, and (e) review of program counselor. The qualitative results identified factors that can promote or hinder success of the program

Leaders and Recruiters from the Next Generation: A Phenomenological Study

Studies involving student ambassadors have demonstrated their significance in recruiting prospective students to universities and colleges but they have not included the perceptions of the student ambassadors themselves. The purpose of this phenomenological study was to describe the perceptions and experiences of students who served as student ambassadors for their educational institution. Fifteen student ambassadors provided individual descriptions of their perceptions of being an ambassador. Four themes provided a description of ambassadors’ perceptions: (a) belonging, (b) personal growth, (c) diversity, and (d) recruitment. A discussion of the benefits of student ambassadors as leaders are presented in terms of their ability to recruit for the university and college as well as the impact being a leader has on the ambassadors themselves

Mothers of Sons with Substance Use Disorders: A Grounded Theory Approach Revealing Maternal Expectations and Three Stages of Change

Addiction problems in a family present challenges in coping with the addicted family member\u27s behaviors are often described in terms of the psychopathology of the interactions of the family members. The present article describes a qualitative study of the lived experiences of mothers whose male children have struggled or currently are struggling with chemical dependence. Our overall aim in the study was to explore critical stages or events in the experiences of these mothers relevant to their chemically dependent sons. As such, our research question was: What are the lived experiences of mothers of substance abusing sons who are either in recovery or are still using substances? Results of the interviews of nine mothers indicated that regardless of age, ethnicity, social status, education, or career, they experienced a process highlighted by maternal expectations and consisting of three stages: (a) the pre-addiction stage in which mother and son did not experience abnormal relational stress or conflict, (b) the addiction stage in which mother and son experienced extreme relational stress and conflict, and (c) the mother\u27s recovery stage in which the mother experienced a confusion in her relationship with her son and his addiction leading to her own recovery and wellness

International Students’ Transition Experiences in Rural Texas: A Phenomenological Study

Due to the growth in the number of international students attending universities in Texas and the need to provide appropriate counseling services to them, nine international students were interviewed about their experiences of transitioning from their home country to college in rural Texas. The authors employed the transcendental phenomenological approach to qualitative research (Moustakas, 1994) which allowed for the following seven emergent themes were identified that described the participants’ experiences: American TV; Knowing Someone; Like a Movie; Everybody Saying Hi; Transportation is Inconvenient; I Miss Noodles; and Being Optimistic. The emergent themes provided the basis for implications and recommendations for counseling services with the international student populations. Implications and recommendations for counselors on college campuses include, but are not limited to: actively collaborating with international student services, participating in new international student orientation services, and developing preemptive approaches to assisting international student during their transitions The authors make recommendations for further qualitative research and focus groups inquiries should be conducted by college counselors to better inform outreach services, for campus counseling and career service center, directed at assisting international students during their numerous transitions (Lértora et al., 2017)

Trial of labour after caesarean section and the risk of neonatal and infant death: a nationwide cohort study

Background: Caesarean section (CS) rates are increasing worldwide and as a result repeat CS is common. The optimal mode of delivery in women with one previous CS is widely debated and the risks to the infant are understudied. The aim of the current study was to evaluate if women with a trial of labour after caesarean (TOLAC) had an increased odds of neonatal and infant death compared to women with an elective repeat CS (ERCS). Methods: A population register-based cohort study was conducted in Denmark between 1982 and 2010. All women with two deliveries [in which the first was a CS, and the second was an uncomplicated, term delivery (n = 61,626)] were included in the study. Logistic regression models were used to report adjusted odds ratios (AOR) and 95% confidence intervals (CI) of the odds of death according to mode of delivery. The main outcome measures were neonatal death (early and late) and infant death. Results: Women with a TOLAC had an increased odds of neonatal death (AOR 1 · 87, 95% CI 1 · 12 to 3 · 12) due to an increased risk of early neonatal death (AOR 2 · 06, 95% CI 1 · 19 to 3 · 56) and no effect on late neonatal death (AOR 0 · 97, 95% CI 0 · 22 to 4 · 32), or infant death (AOR 1 · 12, 95% CI 0 · 79 to 1 · 59) when compared to the reference group of women with an ERCS. There was evidence of a cohort effect as the increased odds of neonatal death (AOR 3 · 89, 95% CI 1 · 33 to 11 · 39) was most significant in the earlier years (1982–1991) and gradually disappeared (AOR 1 · 01, 95% CI 0 · 44 to 2 · 31) in the later years (2002–2010). Conclusions: Although an increased risk of neonatal death was found in women with a TOLAC, there was evidence of a cohort effect, which showed this increased odds disappearing over time. Advances in modern healthcare including improved monitoring and earlier detection of underlying pregnancy complications may explain the findings

Cesarean section and rate of subsequent stillbirth, miscarriage and ectopic pregnancy: a Danish register-based cohort study

Background: With cesarean section rates increasing worldwide, clarity regarding negative effects is essential. This study aimed to investigate the rate of subsequent stillbirth, miscarriage, and ectopic pregnancy following primary cesarean section, controlling for confounding by indication. Methods and Findings: We performed a population-based cohort study using Danish national registry data linking various registers. The cohort included primiparous women with a live birth between January 1, 1982, and December 31, 2010 (n = 832,996), with follow-up until the next event (stillbirth, miscarriage, or ectopic pregnancy) or censoring by live birth, death, emigration, or study end. Cox regression models for all types of cesarean sections, sub-group analyses by type of cesarean, and competing risks analyses for the causes of stillbirth were performed. An increased rate of stillbirth (hazard ratio [HR] 1.14, 95% CI 1.01, 1.28) was found in women with primary cesarean section compared to spontaneous vaginal delivery, giving a theoretical absolute risk increase (ARI) of 0.03% for stillbirth, and a number needed to harm (NNH) of 3,333 women. Analyses by type of cesarean section showed similarly increased rates for emergency (HR 1.15, 95% CI 1.01, 1.31) and elective cesarean (HR 1.11, 95% CI 0.91, 1.35), although not statistically significant in the latter case. An increased rate of ectopic pregnancy was found among women with primary cesarean overall (HR 1.09, 95% CI 1.04, 1.15) and by type (emergency cesarean, HR 1.09, 95% CI 1.03, 1.15, and elective cesarean, HR 1.12, 95% CI 1.03, 1.21), yielding an ARI of 0.1% and a NNH of 1,000 women for ectopic pregnancy. No increased rate of miscarriage was found among women with primary cesarean, with maternally requested cesarean section associated with a decreased rate of miscarriage (HR 0.72, 95% CI 0.60, 0.85). Limitations include incomplete data on maternal body mass index, maternal smoking, fertility treatment, causes of stillbirth, and maternally requested cesarean section, as well as lack of data on antepartum/intrapartum stillbirth and gestational age for stillbirth and miscarriage. Conclusions: This study found that cesarean section is associated with a small increased rate of subsequent stillbirth and ectopic pregnancy. Underlying medical conditions, however, and confounding by indication for the primary cesarean delivery account for at least part of this increased rate. These findings will assist women and health-care providers to reach more informed decisions regarding mode of delivery

CHANG-ES XI: Circular Polarization in the Cores of Nearby Galaxies

We detect 5 galaxies in the CHANG-ES (Continuum Halos in Nearby Galaxies -- an EVLA Survey) sample that show circular polarization (CP) at L-band in our high resolution data sets. Two of the galaxies (NGC~4388 and NGC~4845) show strong Stokes $V/I\,\equiv\,m_C\,\sim\,2$\%, two (NGC~660 and NGC~3628) have values of $m_C\sim \,0.3$\%, and NGC~3079 is a marginal detection at $m_C\sim \,0.2$\%. The two strongest $m_C$ galaxies also have the most luminous X-ray cores and the strongest internal absorption in X-rays. We have expanded on our previous Faraday conversion interpretation and analysis and provide analytical expressions for the expected $V$ signal for a general case in which the cosmic ray electron energy spectral index can take on any value. We provide examples as to how such expressions could be used to estimate magnetic field strengths and the lower energy cutoff for CR electrons. Four out of our detections are {\it resolved}, showing unique structures, including a {\it jet} in NGC~4388 and a CP `conversion disk' in NGC~4845. The conversion disk is inclined to the galactic disk but is perpendicular to a possible outflow direction. Such CP structures have never before been seen in any galaxy to our knowledge. None of the galaxy cores show linear polarization at L-band. Thus CP may provide a unique probe of physical conditions deep into radio AGNs.Comment: 30 pages, 4 figures, accepted to MNRA

Relaxation of a Collisionless System and the Transition to a New Equilibrium Velocity Distribution

In this paper, we present our conclusions from the numerical study of the collapse of a destabilized collisionless stellar system. We use both direct integration of the Vlasov-Poisson equations and an N-body tree code to obtain our results, which are mutually confirmed. We find that spherical and moderately nonspherical collapse configurations evolve to new equilibrium configurations in which the velocity distribution approaches a Gaussian form, at least in the central regions. The evolution to this state has long been an open question, and in this work we are able to clarify the process responsible and to support predictions made from statistical considerations (Lynden-Bell 1967; Nakamura 2000). The simulations of merging N-body systems show a transition to a Gaussian velocity distribution that is increasingly suppressed as the initial separation of centres is increased. Possible reasons for this are discussed.Comment: 25 pages, LaTeX. Accepted for publication in Ap

Systematic Errors in the Hubble Constant Based on Measurement of the Sunyaev-Zeldovich Effect

Values of the Hubble constant reported to date which are based on measurement of the Sunyaev-Zeldovich (SZ) effect in clusters of galaxies are systematically lower than those derived by other methods (e.g., Cepheid variable stars, or the Tully-Fisher relation). We investigate the possibility that systematic errors may be introduced into the analysis by the generally adopted assumptions that observed clusters are in hydrostatic equilibrium, are spherically symmetric, and are isothermal. We construct self-consistent theoretical models of merging clusters of galaxies using hydrodynamical/N-body simulations. We then compute the magnitude of Ho derived from the SZ effect at different times and at different projection angles both from first principles, and by applying each of the standard assumptions used in the interpretation of observations. Our results indicate that the assumption of isothermality in the evolving clusters can result in Ho being underestimated by 10-30% depending on both epoch and projection angle. Moreover, use of the projected, emission-weighted temperature profile under the assumption of spherical symmetry does not significantly improve the situation except in the case of more extreme mergers (i.e., those involving relatively gas-rich subclusters).Comment: 31 pages, Latex, 2 tables, 10 postscript figures, Accepted for publication in ApJ, scheduled for June 20, 199

Milestones in the Observations of Cosmic Magnetic Fields

Magnetic fields are observed everywhere in the universe. In this review, we concentrate on the observational aspects of the magnetic fields of Galactic and extragalactic objects. Readers can follow the milestones in the observations of cosmic magnetic fields obtained from the most important tracers of magnetic fields, namely, the star-light polarization, the Zeeman effect, the rotation measures (RMs, hereafter) of extragalactic radio sources, the pulsar RMs, radio polarization observations, as well as the newly implemented sub-mm and mm polarization capabilities. (Another long paragraph is omitted due to the limited space here)Comment: Invited Review (ChJA&A); 32 pages. Sorry if your significant contributions in this area were not mentioned. Published pdf & ps files (with high quality figures) now availble at http://www.chjaa.org/2002_2_4.ht