269 research outputs found
Application of Reflected Global Navigation Satellite System (GNSS-R) Signals in the Estimation of Sea Roughness Effects in Microwave Radiometry
In February-March 2009 NASA JPL conducted an airborne field campaign using the Passive Active L-band System (PALS) and the Ku-band Polarimetric Scatterometer (PolSCAT) collecting measurements of brightness temperature and near surface wind speeds. Flights were conducted over a region of expected high-speed winds in the Atlantic Ocean, for the purposes of algorithm development for salinity retrievals. Wind speeds encountered were in the range of 5 to 25 m/s during the two weeks deployment. The NASA-Langley GPS delay-mapping receiver (DMR) was also flown to collect GPS signals reflected from the ocean surface and generate post-correlation power vs. delay measurements. This data was used to estimate ocean surface roughness and a strong correlation with brightness temperature was found. Initial results suggest that reflected GPS signals, using small low-power instruments, will provide an additional source of data for correcting brightness temperature measurements for the purpose of sea surface salinity retrievals
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News Accuracy in Switzerland and Italy
Nearly 80 years of accuracy research in the United States has documented that the press frequently errs, but empirical study about news accuracy elsewhere in the world is absent. This article presents an accuracy audit of Swiss and Italian daily regional newspapers. Replicating US research, the study offers a trans-Atlantic perspective of news accuracy. To compare newspaper accuracy in Switzerland and Italy to longitudinal accuracy research in the United States, the study followed closely the methodology pioneered by Charnley (1936) and adapted by Maier (2005). News sources found factual inaccuracy in 60 percent of Swiss newspaper stories they reviewed, compared to 48 percent of US and 52 percent of Italian newspapers examined. The results show that newspaper inaccuracy—and its corrosive effect on media credibility—transcends national borders and journalism cultures. Nowadays, digitization offers new ways of implementing correction policies. Media organizations need, however, to adapt to these changes and to adapt their structures in particular to new forms of participative and interactive two-way communication
A Pedagogical Framework for the Design and Utilization of Place-Based Experiential Learning Curriculum on a Campus Farm
Campus agriculture projects are increasingly being recognized as spaces impactful to student engagement and learning through curricular and co-curricular programming; however, most campus farm activities are limited to agriculture or sustainability programs and/or co-curricular student clubs. Thus, campus farms are largely underutilized in the undergraduate curriculum, marking a need to explore the efficacy and impact of engaging a diverse array of disciplinary courses in the rich social, environmental, and civic context of local sustainable agriculture. The Farm Hub program presented here incentivizes instructors to refocus a portion of existing course content around the topic of local, sustainable agriculture, and reduces barriers to using a campus farm as a situated learning context for curricula. A pedagogical framework founded in place-based experiential learning (PBEL) theory was developed to guide instructors in the development and implementation of 4–6-week inquiry-based PBEL modules embedded in existing courses. The framework was converted into a research protocol to quantify program implementation fidelity and PBEL best practice adherence for the proposed lesson plans (intended) and their implementation (applied). The framework enables the development of a cohesive cross-curricular program so that the impact of implementation fidelity and best practice adherence to student learning outcomes in scientific literacy, place attachment and meaning, and civic mindedness can be assessed and the results utilized to develop a formal farm-situated PBEL pedagogical taxonomy. This framework can be applied to PBEL curriculum in natural spaces beyond campus farms
The Role of Place Attachment and Situated Sustainability Meaning-Making in Enhancing Student Civic-Mindedness: A Campus Farm Example
This research explores the role that place attachment and place meaning towards an urban farm play in predicting undergraduate students’ civic-mindedness, an important factor in sustainability and social change. In 2017 and 2018, three STEM courses at a private university in the Midwest incorporated a local urban farm as a physical and conceptual context for teaching course content and sustainability concepts. Each course included a four to six-week long place-based experiential learning (PBEL) module aimed at enhancing undergraduate STEM student learning outcomes, particularly place attachment, situated sustainability meaning-making (SSMM), and civic-mindedness. End-of-course place attachment, SSMM, and civic-mindedness survey data were collected from students involved in these courses and combined with institutionally provided demographic information. Place attachment and SSMM surveys, along with the course in which the students participated, were statistically significant predictors of students’ civic-mindedness score
Involving Citizen Scientists in Biodiversity Observation
The involvement of non-professionals in scientific research and environmental monitoring, termed Citizen Science (CS), has now become a mainstream approach for collecting data on earth processes, ecosystems and biodiversity. This chapter examines how CS might contribute to ongoing efforts in biodiversity monitoring, enhancing observation and recording of key species and systems in a standardised manner, thereby supporting data relevant to the Essential Biodiversity Variables (EBVs), as well as reaching key constituencies who would benefit Biodiversity Observation Networks (BONs). The design of successful monitoring or observation networks that rely on citizen observers requires a careful balancing of the two primary user groups, namely data users and data contributors (i.e., citizen scientists). To this end, this chapter identifies examples of successful CS programs as well as considering practical issues such as the reliability of the data, participant recruitment and motivation, and the use of emerging technologies
Citizen science for observing and understanding the Earth
Citizen Science, or the participation of non-professional scientists in
a scientific project, has a long history—in many ways, the modern scientific
revolution is thanks to the effort of citizen scientists. Like science itself, citizen
science is influenced by technological and societal advances, such as the rapid
increase in levels of education during the latter part of the twentieth century, or
the very recent growth of the bidirectional social web (Web 2.0), cloud services
and smartphones. These transitions have ushered in, over the past decade, a rapid
growth in the involvement of many millions of people in data collection and analysis
of information as part of scientific projects. This chapter provides an overview of the
field of citizen science and its contribution to the observation of the Earth, often not
through remote sensing but a much closer relationship with the local environment.
The chapter suggests that, together with remote Earth Observations, citizen science
can play a critical role in understanding and addressing local and global challenges
Situational awareness within objective structured clinical examination stations in undergraduate medical training - a literature search
Background: Medical students may not be able to identify the essential elements of situational awareness (SA) necessary for clinical reasoning. Recent studies suggest that students have little insight into cognitive processing and SA in clinical scenarios. Objective Structured Clinical Examinations (OSCEs) could be used to assess certain elements of situational awareness. The purpose of this paper is to review the literature with a view to identifying whether levels of SA based on Endsley's model can be assessed utilising OSCEs during undergraduate medical training. Methods: A systematic search was performed pertaining to SA and OSCEs, to identify studies published between January 1975 (first paper describing an OSCE) and February 2017, in peer reviewed international journals published in English. PUBMED, EMBASE, PsycINFO Ovid and SCOPUS were searched for papers that described the assessment of SA using OSCEs among undergraduate medical students. Key search terms included "objective structured clinical examination", "objective structured clinical assessment" or "OSCE" and "non-technical skills", "sense-making", "clinical reasoning", "perception", "comprehension", "projection", "situation awareness", "situational awareness" and "situation assessment". Boolean operators (AND, OR) were used as conjunctions to narrow the search strategy, resulting in the limitation of papers relevant to the research interest. Areas of interest were elements of SA that can be assessed by these examinations. Results: The initial search of the literature retrieved 1127 publications. Upon removal of duplicates and papers relating to nursing, paramedical disciplines, pharmacy and veterinary education by title, abstract or full text, 11 articles were eligible for inclusion as related to the assessment of elements of SA in undergraduate medical students. Discussion: Review of the literature suggests that whole-task OSCEs enable the evaluation of SA associated with clinical reasoning skills. If they address the levels of SA, these OSCEs can provide supportive feedback and strengthen educational measures associated with higher diagnostic accuracy and reasoning abilities. Conclusion: Based on the findings, the early exposure of medical students to SA is recommended, utilising OSCEs to evaluate and facilitate SA in dynamic environment
Exploring Ethical Development from Standard Instruction in the Contexts of Biomedical Engineering and Earth Science
Ethics continues to be required in the accreditation of engineers. However, ethics is seldom the core focus of departmental instruction. Yet, standard instruction may have myriad impacts on students' ethical development. This study explores students’ ethical formation when ethics is a peripheral or non-intentional aspect of instruction in departmental courses in Biomedical Engineering and Earth Science. The research question that we seek to address is, “In what different ways and to what extent does participation in departmental engineering and science courses cultivate STEM students’ ethical formation?” To address our research question, we disseminated a survey to students before (pre) and after (post) their participation in one of 12 courses offered in Earth Science or Biomedical Engineering during the Fall 2017 or Spring 2018. The survey included four instruments: (1) the Civic-Minded Graduate scale; (2) the Interpersonal Reactivity Index; (3) two relational constructs developed by the authors; and (4) the Defining Issues Test-2. Results suggest that current Earth Science curriculum, overall, positively contributes to students' ethical growth. However, the Biomedical Engineering courses showed no evidence of change. As the Earth Science courses do not explicitly focus on ethics, one potential explanation for this trend is the community-engaged nature of the Earth Science curriculum.
These findings will be beneficial locally to help direct improvements in departmental STEM instruction. In addition, these findings pave the way for future comparative analyses exploring how variations in ethical instruction contribute to students' ethical and professional formation. © 2019 American Society for Engineering Educatio
148. Exploring the Impact of College Students' COVID-19- and Capitol Insurrection-Related Horizontal and Vertical Collectivism/Individualism on Emotional Reaction to Those Events
This article is made available for unrestricted research re-use and secondary analysis in any form or be any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.Purpose:
While many studies have explored individuals’ feelings related to recent national events, none have explored the relationship of individualism and collectivist leanings caused by these events on the individuals emotions related to those events. For this research we specifically focus on the COVID-19 Pandemic and the January 6 Capitol Insurrection.
Methods:
Data were collected from college students at a small, private midwestern private university over a 10-day period at the end of January and the beginning of February 2021. A Qualtrics survey was sent to 1,041 students who had completed a similar survey 5 months earlier related to their feelings about the COVID-19 pandemic. We used a subsample (N=314 students; 74.2% female; 83.4% White; 0.6% freshman, 24.5% sophomores, 34.7% juniors and 29.3% seniors) who provided complete data. Measures included horizontal (“We are the same, high freedom, equality”) and vertical (“I am different, Authority ranking, high freedom”) individualism as well as horizontal (“We are the same, share, less freedom”) and vertical (“I am different, sharing, authority ranking”) collectivism. Participants also provided data on the positive and negative affective responses to COVID-19 and to the January 6 Capitol Insurrection. Structural equation modeling was used to investigate the direct effects between individual and collectivism and the affective responses to each event (all standardized; Stata v. 17.0). Global fit was evaluated using the chi-square test and the root mean square error of approximation (RMSEA). Local fit was addressed using the Comparative Fit Index (CFI) and the Tucker Louis Index (TLI). We also investigated group differences by gender (male/female) and race (minority/white) where significant overall direct effects were observed.
Results:
Fit indices (Chi-sq[df]: 60.99[31], p<.001; RMSEA[90% CI]: 0.046[0.035-0.076); CFI: 0.972; TLI: 0.905) suggested the specified model provided a good fit to the data. Higher COVID VI was associated with higher positive (B=0.12) and negative (B=0.15) affective reactions to COVID (B=0.12). Higher Capitol HI and HC were both associated with higher positive (both: B=0.21) and higher negative (B=0.12-0.23) affective reaction to the capitol riots. Higher COVID VI was associated with lower negative affective response (B=-0.16) to COVID. We observed no gender or race/ethnicity differences in these significant effects.
Conclusions:
Students who felt more strongly that people were the same (horizontal individualism and horizontal collectivism) were more likely to have both strong positive and negative emotions to the Janury 6th insurrection. For COVID-19 negative feelings, students whose feelings towards COVID were more individualistic had mixed results. Those who believed people are different (vertical individualism) were more likely to have lower negative feelings towards COVID-19 while those who believed people are the same (horizontal individualism) had greater negative feelings. These data have implications for scaffolding young adult support in advance of future socio-political emergencies
The effects of implementing recitation activities on success rates in a college calculus course
Over a period of six years, three different types of recitation sessions were implemented into the large enrollment section of a college calculus course. During the fall semesters, the results on the departmental final examination, the DFW rates, and the one-year retention rates of students as STEM majors were examined by the type of recitation session used with the large enrollment section. The three types of recitation sessions studied were: (1) optional mentoring sessions at the Math Assistance Center conducted by undergraduate students (peer mentors), (2) required mentoring sessions conducted by graduate students, and (3) required VGNA (Verbal, Graphical or Geometric, Numeric, and Algebraic) Concept activities, which were also coupled with mentoring sessions conducted by graduate students. The success of the students in the large enrollment section of the course, which included one of the three different types of recitation sessions, was compared to the success of students in the small enrollment sections of the course (enrollments less than 50 students). The effects of using each type of recitation session on raising departmental final examination scores, lowering DFW rates, and raising one-year retention rates is presented. The results of this study demonstrate methods of raising student success rates in large enrollment (lecture-format) courses
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