90 research outputs found

    Academic Achievement for All: How to Reach and Teach Diverse Struggling Learners

    Get PDF
    In this session, we will be discussing different instructional strategies aimed at facilitating learning among socio-culturally and linguistically diverse students. These strategies incorporate the use of activities, visuals, graphic organizers, and foldables to enable students to improve their reading comprehension and learning skills. We will mainly focus on strategies that focus on motivation, accessing prior knowledge, reinforcing vocabulary, and questioning

    A Culturally Responsive Literacy Approach to Develop Scientific Conceptual Knowledge through Creative Narratives

    Get PDF
    Our study examined the effects of culturally responsive literacy pedagogical approaches in the development of scientific vocabulary and conceptual knowledge among minoritized middle-grade students during a summer program. We describe the design and implementation of a literacy-enriched STEM instructional unit of study built upon the background experiences of Latina/Latino migrant farmworkers’ children to expand their STEM literacy skills and knowledge. Our aim with this unit was to increase the students’ science knowledge and skills; strengthen their mathematical abilities; enhance their ability to use technology for research; and improve their academic vocabulary, language, and writing skills. This program also had as an objective to explore the students’ self-perceptions regarding science learning. Qualitative and quantitative data were collected from the students’ pre- and postsurveys, pre- and post-tests, assignments, and group interview. The results demonstrated significant improvements in the students’ vocabulary and conceptual understandings. The students developed an awareness of the interrelation of science, math, technology, and literacy with their background experiences, expanded their interest in science, and increased their ability to write effectively about STEM topics. These results also highlighted the significance of connecting STEM instruction with both background knowledge and possible careers via out-of-school efforts like this program to increase minoritized students’ interest in pursuing STEM careers

    Using Creative Writing to Facilitate Science Learning

    Get PDF
    Presentation co-presented by Georgia Southern faculty members Alma D. Stevenson and Lacey D. Huffling at Interdisciplinary STEM Teaching and Learning Conference, Savannah, GA

    Infusing literacy and math into a socioculturally responsive summer science camp

    Get PDF
    Presentation given by Georgia Southern faculty members Alma Stevenson and Shelli Casler-Failing at National Youth At-Risk Conference, Savannah, GA

    Infusing Literacy and Math into a Socio-Culturally Responsive Summer Science Camp

    Get PDF
    This presentation will describe a Summer Literacy in Science Camp conducted with students in intermediate and middle level at our local Boys and Girls Club. The students participated in reading and writing activities incorporating culturally relevant books, research, journal writing, innovative presentations, and daily science labs focused on the investigation of the surface and tap water in our community

    Expanding STEM Membership: Using Science Process Skills in a Social Justice Curriculum to Combat Stereotype Threats and Build Self-Efficacy in African American Students

    Get PDF
    Science process skills were scaffolded throughout instruction over the ten-week program. The culminating project included the development, design, and testing of their own independent science fair project. The results reflect an increase in students’ self-efficacy which was evidenced by the students’ preparation and presentation of their projects in the science fair

    Connecting Planetary Composition with Formation

    Full text link
    The rapid advances in observations of the different populations of exoplanets, the characterization of their host stars and the links to the properties of their planetary systems, the detailed studies of protoplanetary disks, and the experimental study of the interiors and composition of the massive planets in our solar system provide a firm basis for the next big question in planet formation theory. How do the elemental and chemical compositions of planets connect with their formation? The answer to this requires that the various pieces of planet formation theory be linked together in an end-to-end picture that is capable of addressing these large data sets. In this review, we discuss the critical elements of such a picture and how they affect the chemical and elemental make up of forming planets. Important issues here include the initial state of forming and evolving disks, chemical and dust processes within them, the migration of planets and the importance of planet traps, the nature of angular momentum transport processes involving turbulence and/or MHD disk winds, planet formation theory, and advanced treatments of disk astrochemistry. All of these issues affect, and are affected by the chemistry of disks which is driven by X-ray ionization of the host stars. We discuss how these processes lead to a coherent end-to-end model and how this may address the basic question.Comment: Invited review, accepted for publication in the 'Handbook of Exoplanets', eds. H.J. Deeg and J.A. Belmonte, Springer (2018). 46 pages, 10 figure

    Multi-messenger observations of a binary neutron star merger

    Get PDF
    On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observed through gravitational waves by the Advanced LIGO and Advanced Virgo detectors. The Fermi Gamma-ray Burst Monitor independently detected a gamma-ray burst (GRB 170817A) with a time delay of ~1.7 s with respect to the merger time. From the gravitational-wave signal, the source was initially localized to a sky region of 31 deg2 at a luminosity distance of 40+8-8 Mpc and with component masses consistent with neutron stars. The component masses were later measured to be in the range 0.86 to 2.26 Mo. An extensive observing campaign was launched across the electromagnetic spectrum leading to the discovery of a bright optical transient (SSS17a, now with the IAU identification of AT 2017gfo) in NGC 4993 (at ~40 Mpc) less than 11 hours after the merger by the One- Meter, Two Hemisphere (1M2H) team using the 1 m Swope Telescope. The optical transient was independently detected by multiple teams within an hour. Subsequent observations targeted the object and its environment. Early ultraviolet observations revealed a blue transient that faded within 48 hours. Optical and infrared observations showed a redward evolution over ~10 days. Following early non-detections, X-ray and radio emission were discovered at the transient’s position ~9 and ~16 days, respectively, after the merger. Both the X-ray and radio emission likely arise from a physical process that is distinct from the one that generates the UV/optical/near-infrared emission. No ultra-high-energy gamma-rays and no neutrino candidates consistent with the source were found in follow-up searches. These observations support the hypothesis that GW170817 was produced by the merger of two neutron stars in NGC4993 followed by a short gamma-ray burst (GRB 170817A) and a kilonova/macronova powered by the radioactive decay of r-process nuclei synthesized in the ejecta

    Outcomes from elective colorectal cancer surgery during the SARS-CoV-2 pandemic

    Get PDF
    This study aimed to describe the change in surgical practice and the impact of SARS-CoV-2 on mortality after surgical resection of colorectal cancer during the initial phases of the SARS-CoV-2 pandemic

    Effect of angiotensin-converting enzyme inhibitor and angiotensin receptor blocker initiation on organ support-free days in patients hospitalized with COVID-19

    Get PDF
    IMPORTANCE Overactivation of the renin-angiotensin system (RAS) may contribute to poor clinical outcomes in patients with COVID-19. Objective To determine whether angiotensin-converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB) initiation improves outcomes in patients hospitalized for COVID-19. DESIGN, SETTING, AND PARTICIPANTS In an ongoing, adaptive platform randomized clinical trial, 721 critically ill and 58 non–critically ill hospitalized adults were randomized to receive an RAS inhibitor or control between March 16, 2021, and February 25, 2022, at 69 sites in 7 countries (final follow-up on June 1, 2022). INTERVENTIONS Patients were randomized to receive open-label initiation of an ACE inhibitor (n = 257), ARB (n = 248), ARB in combination with DMX-200 (a chemokine receptor-2 inhibitor; n = 10), or no RAS inhibitor (control; n = 264) for up to 10 days. MAIN OUTCOMES AND MEASURES The primary outcome was organ support–free days, a composite of hospital survival and days alive without cardiovascular or respiratory organ support through 21 days. The primary analysis was a bayesian cumulative logistic model. Odds ratios (ORs) greater than 1 represent improved outcomes. RESULTS On February 25, 2022, enrollment was discontinued due to safety concerns. Among 679 critically ill patients with available primary outcome data, the median age was 56 years and 239 participants (35.2%) were women. Median (IQR) organ support–free days among critically ill patients was 10 (–1 to 16) in the ACE inhibitor group (n = 231), 8 (–1 to 17) in the ARB group (n = 217), and 12 (0 to 17) in the control group (n = 231) (median adjusted odds ratios of 0.77 [95% bayesian credible interval, 0.58-1.06] for improvement for ACE inhibitor and 0.76 [95% credible interval, 0.56-1.05] for ARB compared with control). The posterior probabilities that ACE inhibitors and ARBs worsened organ support–free days compared with control were 94.9% and 95.4%, respectively. Hospital survival occurred in 166 of 231 critically ill participants (71.9%) in the ACE inhibitor group, 152 of 217 (70.0%) in the ARB group, and 182 of 231 (78.8%) in the control group (posterior probabilities that ACE inhibitor and ARB worsened hospital survival compared with control were 95.3% and 98.1%, respectively). CONCLUSIONS AND RELEVANCE In this trial, among critically ill adults with COVID-19, initiation of an ACE inhibitor or ARB did not improve, and likely worsened, clinical outcomes. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT0273570
    • 

    corecore