Eksplorasi Pengalaman Stress Pada Individu Yang Berperilaku Bruksisme (Studi Kualitatif Dengan Pendekatan Fenomenologis)

Penelitian ini bermaksud mengeksplorasi pengalaman stres dari seorang yang berperilaku bruksisme melalui sudut pandang pengalaman stres yang dialami masing-masing subjek. Penelitian ini menggunakan pendekatan kualitatif fenomenologi deskriptif. Data dikumpulkan dengan menggunakan metode wawancara semi terstruktur. Subjek penelitian berjumlah tiga orang yang merupakan seorang dengan kebiasaan berperilaku bruksisme saat tidur (sleep bruxism). Peneliti menggunakan teknik purposive yaitu teknik pemilihan subjek dengan menetapkan kriteria tertentu kriteria tertentu yang harus dipenuhi oleh individu yang akan dijadikan subjek penelitian. Hasil penelitian menemukan bahwa pengalaman stres masing-masing subjek dipengaruhi oleh faktor internal dan eksternal yang mengakibatkan bermacam dampak. Ketiga subjek memunculkan reaksi berupa coping, yaitu katarsis, emotion-focused coping dan problem-focused coping. Pengalaman stres masing-masing subjek juga dipengaruhi oleh self concept dan lingkungan sosial dari masing-masing individu

Kriteria Zona Industri Pendukung Pengembangan Kawasan Agropolitan di Kabupaten Tuban

Kabupaten Tuban merupakan kabupaten yang memiliki potensi sektor pertanian yang cukup besar, dengan kontribusi sebesar 24,6% dalam PDRB. Dalam RTRW Kabupaten Tuban terdapat arahan pengembangan kegiatan pengolahan hasil pertanian, serta terdapat arahan pengembangan KSK Agropolitan di lima kecamatan yaitu Kecamatan Palang, Kecamatan Semanding, Kecamatan Plumpang, Kecamatan Widang dan Kecamatan Jatirogo. Agroindustri merupakan salah satu kegiatan dalam sistem agribisnis yang dikembangkan dalam kawasan agropolitan, sehingga dalam kawasan agropolitan tersebut diharapkan terdapat zona untuk kegiatan agroindustri. Karena itu penelitian ini bertujuan untuk menentukan kriteria zona industri dalam mendukung pengembangan kawasan agropolitan di Kabupaten Tuban. Teknik analisis yang digunakan dalam menyusun kriteria zona industri tersebut adalah analisis deskriptif menggunakan pedoman dan standar, literatur, maupun studi kasus yang relevan. Hasil akhir penelitian ini didapatkan delapan kriteria zona industri pendukung pengembangan kawasan agropolitan di Kabupaten Tuban yang divisualisasikan menggunakan software ArcGIS 10.2, yaitu kriteria kondisi fisik dasar, kriteria bahan baku, kriteria pasar, kriteria tenaga kerja, kriteria aksesibilitas (yang terdiri dari sub kriteria jaringan jalan dan jarak ke pusat kabupaten), kriteria sarana dan prasarana (yang terdiri dari sub kriteria ketersediaan jaringan listrik, jaringan air bersih, jaringan telekomunikasi, ketersediaan fasilitas perekonomian, dan ketersediaan rumah potong hewan), kriteria aglomerasi, serta kriteria penggunaan lahan

TGRS Observations of Positron Annihilation in Classical Novae

The TGRS experiment on board the Wind spacecraft has many advantages as a sky monitor --- broad field of view (~2 pi) centered on the south ecliptic pole), long life (1994-present), and stable low background and continuous coverage due to Wind's high altitude high eccentricity orbit. The Ge detector has sufficient energy resolution (3-4 keV at 511 keV) to resolve a cosmic positron annihilation line from the strong background annihilation line from beta-decays induced by cosmic ray impacts on the instrument, if the cosmic line is Doppler-shifted by this amount. Such lines (blueshifted) are predicted from nucleosynthesis in classical novae. We have searched the entire TGRS database for 1995-1997 for this line, with negative results. In principle such a search could yield an unbiased upper limit on the highly-uncertain Galactic nova rate. We carefully examined the times around the known nova events during this period, also with negative results. The upper limit on the nova line flux in a 6-hr interval is typically <3.8 E-3 photon/(cm2 s) at 4.6 sigma. We performed the same analysis for times around the outburst of Nova Vel 1999, obtaining a worse limit due to recent degradation of the detector response caused by cosmic ray induced damage.Comment: 5 pp. inc. 3 figs. Proc. 5th Compton Symposium (AIP Conf. Series), ed. M. McConnell, in pres

Relaciones entre las dimensiones de las actitudes hacia las matemáticas en futuros maestros

En este trabajo se estudian las relaciones entre distintas dimensiones de las actitudes hacia las Matemáticas de los estudiantes del Grado en Educación Primaria de la Universidad de A Coruña del 1.er y 3.er curso recogidas durante tres años académicos consecutivos. Para ello se aplica el cuestionario de actitudes PAC de Naya-Riveiro, Soneira, Mato y Torre (2014) con una fiabilidad Alfa de Cronbach de 0.921 a una muestra de 308 estudiantes. El instrumento está formado por 19 ítems con cinco opciones de respuesta tipo Likert y tres dimensiones que miden el autoconcepto, la percepción que tiene el alumno de su profesor y el agrado hacia las Matemáticas. Los resultados muestran que existe una relación monótona creciente entre las distintas dimensiones de las actitudes en ambos cursos y que éstas se mantienen de un curso a otro

Experiencia en el desarrollo de una herramienta para la enseñanza de comunicaciones digitales en carreras de Informática

Este trabajo presenta una herramienta de aprendizaje asistido por banco de pruebas formada por tres elementos: plataforma hardware, arquitectura de software multicapa y herramienta gráfica (gtTAL). Para el desarrollo de la herramienta se ha optado por una arquitectura multicapa donde el nivel más alto es una interfaz gráfica que permite la interacción con la plataforma sin necesidad de tener conocimientos de programación de hardware a bajo nivel. Por tanto, los estudiantes pueden testear algoritmos fácilmente sin desarrollar un nuevo programa desde cero, reduciendo significativamente el tiempo empleado para las tareas de implementación y optimización.Peer Reviewe

Complex-Temperature Singularities in the d=2d=2 Ising Model. III. Honeycomb Lattice

We study complex-temperature properties of the uniform and staggered susceptibilities $\chi$ and $\chi^{(a)}$ of the Ising model on the honeycomb lattice. From an analysis of low-temperature series expansions, we find evidence that $\chi$ and $\chi^{(a)}$ both have divergent singularities at the point $z=-1 \equiv z_{\ell}$ (where $z=e^{-2K}$), with exponents $\gamma_{\ell}'= \gamma_{\ell,a}'=5/2$. The critical amplitudes at this singularity are calculated. Using exact results, we extract the behaviour of the magnetisation $M$ and specific heat $C$ at complex-temperature singularities. We find that, in addition to its zero at the physical critical point, $M$ diverges at $z=-1$ with exponent $\beta_{\ell}=-1/4$, vanishes continuously at $z=\pm i$ with exponent $\beta_s=3/8$, and vanishes discontinuously elsewhere along the boundary of the complex-temperature ferromagnetic phase. $C$ diverges at $z=-1$ with exponent $\alpha_{\ell}'=2$ and at $v=\pm i/\sqrt{3}$ (where $v = \tanh K$) with exponent $\alpha_e=1$, and diverges logarithmically at $z=\pm i$. We find that the exponent relation $\alpha'+2\beta+\gamma'=2$ is violated at $z=-1$; the right-hand side is 4 rather than 2. The connections of these results with complex-temperature properties of the Ising model on the triangular lattice are discussed.Comment: 22 pages, latex, figures appended after the end of the text as a compressed, uuencoded postscript fil

Complex-Temperature Properties of the Ising Model on 2D Heteropolygonal Lattices

Using exact results, we determine the complex-temperature phase diagrams of the 2D Ising model on three regular heteropolygonal lattices, $(3 \cdot 6 \cdot 3 \cdot 6)$ (kagom\'{e}), $(3 \cdot 12^2)$, and $(4 \cdot 8^2)$ (bathroom tile), where the notation denotes the regular $n$-sided polygons adjacent to each vertex. We also work out the exact complex-temperature singularities of the spontaneous magnetisation. A comparison with the properties on the square, triangular, and hexagonal lattices is given. In particular, we find the first case where, even for isotropic spin-spin exchange couplings, the nontrivial non-analyticities of the free energy of the Ising model lie in a two-dimensional, rather than one-dimensional, algebraic variety in the $z=e^{-2K}$ plane.Comment: 31 pages, latex, postscript figure

Transient Gamma Ray Spectrometer Measurements of Gamma-Ray Lines from Novae. I. Limits on the Positron Annihilation Line in Five Individual Novae

The Transient Gamma Ray Spectrometer (TGRS) on board the WIND spacecraft has spent most of the interval 1995-1997 in a high-altitude orbit where gamma-ray backgrounds are low. Its high-resolution Ge spectrometer is thus able to detect weak lines which are slightly offset from stronger background features. One such line is predicted from nucleosynthesis in classical novae, where beta-decays on a time-scale of a few hours in an expanding envelope produce positrons that annihilate to generate a line which is blueshifted by a few keV away from the background annihilation line at 511 keV. The broad TGRS field of view contained five known Galactic novae during 1995 January - 1997 June, and we have searched the spectra taken around the times of these events for the blueshifted nova annihilation line. Although no definite detections were made, the method is shown to be sensitive enough to detect novae occurring on ONeMg-rich white dwarfs out to about 2.5 kpc.Comment: 27 pp. + 10 figs., or offprint mailed by request to [email protected]

Social presence and dishonesty in retail

Self-service checkouts (SCOs) in retail can benefit consumers and retailers, providing control and autonomy to shoppers independent from staff, together with reduced queuing times. Recent research indicates that the absence of staff may provide the opportunity for consumers to behave dishonestly, consistent with a perceived lack of social presence. This study examined whether a social presence in the form of various instantiations of embodied, visual, humanlike SCO interface agents had an effect on opportunistic behaviour. Using a simulated SCO scenario, participants experienced various dilemmas in which they could financially benefit themselves undeservedly. We hypothesised that a humanlike social presence integrated within the checkout screen would receive more attention and result in fewer instances of dishonesty compared to a less humanlike agent. This was partially supported by the results. The findings contribute to the theoretical framework in social presence research. We concluded that companies adopting self-service technology may consider the implementation of social presence in technology applications to support ethical consumer behaviour, but that more research is required to explore the mixed findings in the current study.<br/

An educational environment based on digital image processing to support the learning process of biomaterials degradation in stem cells

[Abstract] The Poly(DL-lactide-co-glycolide) copolymers (PDLGA) have designed and performed as biomaterials, taking into account their biodegradability and biocompatibility properties. These materials have a wide range of application in medicine such as orthopedic implants, general surgical implants (suture materials), osteosynthesis, bone cement, among many others. For these reasons, in this paper, we present an intelligent educational environment that can be used for both, researchers and students interested in the analysis of the biomaterial behavior under certain conditions. Our platform includes a Learning Objects (LOs) for MOODLE, and in the same way, implements several digital image processing techniques as well as a decision support module based on a random forest algorithm and statistical modeling. With the aim of determining the real feasibility of this proposal, we have presented the system to 34 Ecuadorian engineering students. After testing the platform, the students answered a survey aimed at determining their perception of the system. The results provide several guidelines to continue with the developing of the platform