Representações sociais de docentes e alunos sobre educação à distância online

A comunicação apresenta um estudo sobre as representações sociais de como alunos e docentes avaliam a Educação a Distância online. Foram analisados as representações sociais de 20 sujeitos, 10 alunos e 10 docentes de cursos de graduação de duas universidades privadas na região do ABC paulista. Subdividos em Grupo A (alunos e docentes que tiveram experiência com a modalidade online) e Grupo B (alunos e docentes que não tiveram a experiência online). Buscou-se encontrar atitudes de resistência e/ou preconceito na modalidade de EAD online. Como pressupostos teóricos adotou-se a teoria das Representações Sociais de Moscovici, que define representações sociais (RS) como o conjunto de opiniões, crenças ou valores que são socialmente construídos em grupos delimitados em relação a um determinado objeto e a teoria da Abordagem Estrutural das Representações Sociais de Abric, que leva à identificação de quais são as palavras e as expressões que têm maior importância no significado de uma determinada RS. O resultado apresentou a co-ocorrência de quatro palavras integrantes do núcleo central da representação social da EAD online nos grupos A e B. As ocorrências comuns ao núcleo central da RS da EAD online para ambos os grupos foram “futuro” e “versatilidade”, que permitem ter mais comodidade com horário flexível para os estudos. Em contrapartida nesses mesmos grupos tem-se “superficial” e “economia” como integrantes desse mesmo núcleo central da RS da EAD online. Outras expressões palavras, como “qualidade duvidosa”, “ausência de professor” e “superficialidade” também são evocadas, o que demonstra atitudes de preconceito e/ou resistência dos sujeitos investigados. A resistência e/ou preconceito à EAD online parece ser um problema significativo e ainda é uma das barreiras para a implementação de cursos de graduação na modalidade online ou semipresencial.This communication presents a study on social representations of how students and teachers assess distance learning education online. We analyzed the social representations of 20 subjects, including 10 students and 10 teachers of undergraduate courses from two private universities in the region of Sao Paulo city. Subdivided into Group A (students and teachers who had experience with online distance education) and Group B (students and teachers who had experience with distance learning online), it was aimed to find some resistance and/or prejudice attitudes in the modality of online distance education. As theoretical background it was adopted Moscovici’s theory of social representation, which defines social representations (SR) as the set of opinions, beliefs or values that are socially constructed in groups defined in relation to a particular object: and Abric’s theory of the Structural Approach Social Representations, which leads to the identification of the words and expressions that have major significance to the meaning of a given SR. The result presented the co-occurrence of four words members of the central nucleus of social representation of online in groups A and B. The common occurrences to central nucleus of RS of online for both groups were "future” and “versatility” which allows more comfort with a flexible timetable for the studies. On the other hand in these same groups we have the words “superficial” and “economy” as part of that core of the RS online. Other expressions, such as “questionable quality”, “lack of teacher” and “superficiality” are also mentioned, which show attitudes of prejudice and / or resistance of the subjects investigated. The resistance and/or prejudice regarding online distance education seems to be a significant problem and is still one of the barriers to the implementation of undergraduate courses in online or blended mode

NGTS: a robotic transit survey to detect Neptune and Super-Earth mass planets

NGTS is a new ground-based transit survey aimed at detecting sub-Neptune sized exoplanets around bright stars. The instrument will be installed at the ESO Paranal observatory in order to benefit from the excellent observing conditions and follow-up synergy with the VLT and E-ELT. It will be a robotic facility composed of 12, 200 mm telescopes equipped with 2Kx2K NIR sensitive detectors. It is built on the legacy of the WASP experience

WASP-34b: A near-grazing transiting sub-Jupiter-mass exoplanet in a hierarchical triple system

We report the discovery of WASP-34b, a sub-Jupiter-mass exoplanet transiting its 10.4-magnitude solar-type host star (1SWASP J110135.89-235138.4; TYC 6636-540-1) every 4.3177 days in a slightly eccentric orbit (e = 0.038±0.012). We find a planetary mass of 0.59±0.01 M Jup and radius of 1.22-0.08 +0.11 R Jup. There is a linear trend in the radial velocities of 55±4 m s-1 y-1 indicating the presence of a long-period third body in the system with a mass ≥0.45 MJup at a distance of ≥1.2 AU from the host star. This third-body is either a low-mass star, a white dwarf, or another planet. The transit depth ((RP/R*) 2 = 0.0126) and high impact parameter (b = 0.90) suggest that this could be the first known transiting exoplanet expected to undergo grazing transits, but with a confidence of only ~80

GPs are from Mars, Administrators are from Venus: The Role of Misaligned Occupational Dispositions in Inhibiting Mandated Role Change

Research on mandated occupational role change focuses on jurisdictional conflict to explain change failure. Our study of the English National Health Service highlights the role of occupational dispositions in shaping how mandated role change is implemented by members of multiple occupational groups. We find that tension stemming from misaligned dispositions may emerge as members of different occupations interact during their role change implementation efforts. Depending on dispositional responses to tension, change may fail as members of the different occupations avoid interactions. This suggests that effective role change can be elusive even in the initial absence of conflicting occupational interests

Simultaneous infrared and optical observations of the transiting debris cloud around WD 1145+017

We present multiwavelength photometric monitoring of WD 1145+017, a white dwarf exhibiting periodic dimming events interpreted to be the transits of orbiting, disintegrating planetesimals. Our observations include the first set of near-infrared light curves for the object, obtained on multiple nights over the span of 1 month, and recorded multiple transit events with depths varying between ∼20 and 50 per cent. Simultaneous near-infrared and optical observations of the deepest and longest duration transit event were obtained on two epochs with the Anglo-Australian Telescope and three optical facilities, over the wavelength range of 0.5–1.2μm. These observations revealed no measurable difference in transit depths for multiple photometric pass bands, allowing us to place a 2σ lower limit of 0.8μm on the grain size in the putative transiting debris cloud. This conclusion is consistent with the spectral energy distribution of the system, which can be fit with an optically thin debris disc with minimum particle sizes of 10+5−3μm

HATS-17b: A TRANSITING COMPACT WARM JUPITER in A 16.3 DAY CIRCULAR ORBIT

We report the discovery of HATS-17b, the first transiting warm Jupiter of the HATSouth network. HATS-17b transits its bright (V = 12.4) G-type (${M}_{\star }$ = $1.131\pm 0.030$ ${M}_{\odot }$, ${R}_{\star }$ = ${1.091}_{-0.046}^{+0.070}$ ${R}_{\odot }$) metal-rich ([Fe/H] = +0.3 dex) host star in a circular orbit with a period of P = $16.2546$ days. HATS-17b has a very compact radius of $0.777\pm 0.056$ ${R}_{{\rm{J}}}$ given its Jupiter-like mass of $1.338\pm 0.065$ ${M}_{{\rm{J}}}$. Up to 50% of the mass of HATS-17b may be composed of heavy elements in order to explain its high density with current models of planetary structure. HATS-17b is the longest period transiting planet discovered to date by a ground-based photometric survey, and is one of the brightest transiting warm Jupiter systems known. The brightness of HATS-17 will allow detailed follow-up observations to characterize the orbital geometry of the system and the atmosphere of the planet

Metabolomics profile responses to changing environments in a common bean (Phaseolus vulgaris L.) germplasm collection

Metabolomics is one of the most powerful -omics to assist plant breeding. Despite the recognized genetic diversity in Portuguese common bean germplasm, details on its metabolomics profiles are still missing. Aiming to promote their use and to understand the environment’s effect in bean metabolomics profiles, 107 Portuguese common bean accessions, cropped under contrasting environments, were analyzed using spectrophotometric, untargeted and targeted mass spectrometry approaches. Although genotype was the most relevant factor on bean metabolomics profile, a clear genotype × environment interaction was also detected. Multivariate analysis highlighted, on the heat-stress environment, the existence of higher levels of salicylic acid, and lower levels of triterpene saponins. Three clusters were defined within each environment. White accessions presented the lowest content and the colored ones the highest levels of prenol lipids and flavonoids. Sources of interesting metabolomics profiles are now identified for bean breeding, focusing either on local or on broad adaptation.To FCT, Portugal, in BEGEQA project (PTDC/AGR-TEC/3555/2012), E.M. PhD fellowship (SFRH/BD/89287/2012), as well as to R&D unit, UIDB/04551/2020 (GREEN-IT – Bioresources for sustainability) and COST Action FA1403 (STSM-FA1403-290815-063873) for funding. The authors also acknowledge PORTUGAL 2020 to the Portuguese Mass Spectrometry Network, grant number LISBOA-01-0145-FEDER-402-022125. The project NETDIAMOND (SAICTPAC/0047/2015), financially supported by FEEI (Lisboa 2020 and FCT/POCI-01-0145-FEDER-016385), to the iNOVA4Health (UID/Multi/04462/2013), financially supported by FCT and co-funded by FEDER under the PT2020 Partnership Agreement, as well as to POCI-01-0145-FEDER-029702, funded by FEDER funds through COMPETE2020 – Programa Operacional Competitividade e Internacionalização (POCI) and by national funds (PIDDAC) through FCT/MCTES

Avaliação da fertilidade do solo sob diferentes usos no Sudoeste Goiano.

O uso e manejo dos solos são importantes condicionantes da variabilidade de atributos do solo. Com objetivo de estudar os efeitos do uso do solo sobre seus atributos químicos, avaliaram-se os resultados das análises de 496 amostras de solos na profundidade de 0 - 0,2 m, realizadas pelo Laboratório de Análises de Solos e Folhas da Fesurv - Universidade de Rio Verde, enviadas por produtores de milho, soja e pecuaristas da região do Sudoeste Goiano, no ano de 2005. Os resultados demonstraram que as pastagens ocupam as áreas mais pobres em nutrientes e de menores teores de argila, enquanto as culturas do milho e da soja as áreas de maior fertilidade e de maiores teores de argila. Essa marcante diferença deve ocorrer pela contínua correção e manutenção da fertilidade nas culturas de grãos e a baixa aplicação de tecnologia nas áreas de pastagens, fato muito observado na região, e agora comprovado numericamente