bluuebunny/crossref_metadata_2025_split huggingface dataset:
PERBANDINGAN HASIL BELAJAR SISWA DENGAN MENGGUNAKAN MODEL PEMBELAJARAN KOOPERATIF TIPE STAD DAN PEMBELAJARAN KOOPERATIF TIPE NHT TERHADAP HASIL BELAJAR SISWA PADA MATA PELAJARAN MATEMATIKA KELAS VIII DI SMP NEGERI 1 GETASAN
Authors: Prasetyo Jonet , Sutriyono Sutriyono 
Published: March 2017

<p>Penelitian ini merupakan jenis penelitian eksperimen dengan menggunakan desain penelitian Quasi Experimental Nonequivalent Control Group Design. Tujuan dari penelitian ini yaitu untuk mengetahui perbedaan hasil belajar siswa pada matapelajaran matematika, setelah diajar dengan menggunakan Model Pembelajaran Kooperatif tipe STAD dan Model Pembelajaran Kooperatif Tipe NHT. Populasi penelitian ini adalah siswa kelas VIII SMP Negeri 1 Getasan,<br />dengan dua kelas eksperimen yaitu kelas VIII A yang memperoleh perlakuan berupa Pembelajaran Kooperatif Tipe STAD dan Kelas V III F yang memperoleh perlakuan berupa Pembelajaran Kooperatif Tipe NHT. Teknik pengumpulan data menggunakan instrumen tes, yang meliputi pretes dan postes. Untuk analisis data menggunakan uji beda t-test. Dari hasil penelitian menyatakan bahwa, terdapat perbedaan signifikan antara hasil belajar siswa yang diajar menggunakan Model Pembelajaran Kooperatif Tipe STAD dan Model Pembelajaran Kooperatif Tipe NHT pada mata pelajaran matematika. Nilai rata-rata hasil belajar matematika siswa yang diajar menggunakan Model Pembelajaran Kooperatif Tipe STAD lebih baik, daripada siswa yang diajar dengan menggunakan Model Pembelajaran Kooperatif Tipe NHT.</p>
MENINGKATKAN KOMUNIKASI INTERPERSONAL MELALUI LAYANAN BIMBINGAN KLASIKAL PADA SISWA KELAS X SMA NEGERI 1 GETASAN, KABUPATEN SEMARANG
Authors: Kesitawahyuningtyas Maya Theofany , Padmomartono Sumardjono 
Published: March 2017

<p>Tujuan penelitian ini yaitu untuk meningkatkan komunikasi interpersonal siswa SMA Negeri 1 Getasan, Kabupaten Semarang melalui layanan bimbingan klasikal. Penelitian eksperimen semu ini menggunakan desain pretest dan posttest. Ditetapkan 20 siswa kelas X.1 sebagai kelompok eksperimen dan 20 siswa kelas X.2 sebagai kelompok kontrol berdasarkan perolehan skor yang rendah pada skala komunikasi interpersonal. Kelompok eksperimen mendapatkan bimbingan klasikal dengan materi untuk meningkatkan komunikasi interpersonal selama 5 (lima) sesi. Untuk menguji perbedaan perolehan skor komunikasi interpersonal digunakan analisis Mann Whitney dengan p = 0,000 0,050 pada mean rank pretest kelompok eksperimen 10,75 dan mean rank posttest kelompok eksperimen 30,25. Selisih mean rank pretest dan mean rank posttest kelompok eksperimen sebesar 19,50 artinya ada peningkatan keterampilan komunikasi interpersonal yang signifikan setelah siswa menempuh bimbingan klasikal selama 5 sesi. Disimpulkan bahwa bimbingan klasikal dapat meningkatkan secara signifikan komunikasi interpersonal siswa kelas X.1 SMA Negeri 1 Getasan, Kabupaten Semarang.</p>
PENGEMBANGAN PENGUKURAN KOMPETENSI KEPRIBADIAN BERBANTUAN KOMPUTER UNTUK MAHASISWA BIMBINGAN DAN KONSELING
Authors: Lupyanto Limpid Sestu , Dwikurnaningsih Yari 
Published: March 2017

<p>Tujuan penelitian ini adalah pengembangan aplikasi komputer untuk mengukur<br />kompetensi kepribadian mahasiswa BK dalam rangka menjadi figur dari seorang guru BK yang memiliki kompetensi kepribadian yang disyaratkan. Penelitian ini merupakan penelitian Research and Development (R&amp;D). Teknik pengumpulan data awal tentang kompetensi kepribadian mahasiswa BK menggunakan skala kompetensi kepribadian disusun berdasarkan rumusan Standar Kualifikasi Akademik dan Kompetensi Konselor (SKAKK) yang tertuangkan dalam Peraturan Menteri Pendidikan Nasional (Permendiknas) No.27 Tahun 2008. Skala pengukuran terdiri 51 item pernyataan yang mencakup 4 aspek dan 17 indikator. Sedangkan teknik yang digunakan untuk memperoleh data validasi model menggunakan focuss group discussion (FGD). Teknik analisis data awal menggunakan deskriptif kuantitatif dan data hasil FGD menggunakan teknik analisis data deskriptif kualitatif. Komponen desain yang dihasilkan terdiri dari kata pengantar, rasional, tujuan, manfaat, program aplikasi skala pengukuran kompetensi kepribadian berbantuan komputer. Desain telah divalidasi oleh ahli BK dan hasilnya item-item yang disusun belum sepenuhnya mengacu pada indikator, karena itu item-item telah diperbaiki oleh peneliti. Desain juga telah divalidasi oleh ahli teknologi informasi dan dinilai sudah baik. Subjek penelitian untuk uji coba terbatas kepada tiga mahasiswa BK FKIP UKSW dan tiga dosen BK FKIP UKSW dan hasil dari uji coba desain membahas tentang struktur kalimat pada setiap item, penggunaan aplikasi memakai Microsoft Excel agar data lebih aman dan proses penginputan hasil pengerjaan yang lebih cepat. Setelah melakukan serangkaian pengujian terhadap seluruh sistem pada desain ini maka dapat dinyatakan bahwa desain ini sudah memenuhi kelayakan untuk dapat digunakan untuk mengukur kompetensi kepribadian mahasiswa BK.</p>
PENINGKATAN KETERAMPILAN MENULIS NASKAH DRAMA SATU BABAK MENGGUNAKAN MODEL THINK-PAIR-SHARE BERBANTUAN ALAT PERAGA GAMBAR BERSERI
Authors: Suhartini Suhartini 
Published: March 2017

<p> Tujuan penelitian ini adalah untuk meningkatkan keterampilan menulis naskah drama satu babak menggunakan model pembelajaran <em>Think Pare Share</em>. Penelitian ini merupakan penelitian tindakan kelas yang diterapkan pada siswa kelas VIIIA SMPN1 Tanjungsari pada materi menulis naskah drama satu babak menggunakan alat peraga gambar berseri. Penelitian tindakan kelas (PTK) dalam penelitian ini dilaksanakan dalam dua siklus, yaitu proses tindakan pada siklus I dan siklus II. Penelitian tindakan kelas (PTK) dilaksanakan dalam proses pengkajian berdaur pada setiap siklusnya yakni perencanaan, pelksanaan tindakan, observasi, dan refleksi Berdasarkan analisis data diperoleh hasil ulangan harian meningkat. Peningkatan hasil tersebut sangat signifikan, 28 siswa memperoleh nilai di atas KKM dan rerata kelas menjadi 80,55 dan persentase ketuntasan sebesar 96,5%. Hasil penelitian menunjukkan ada peningkatan keterampilan dalam menulis naskah drama satu babak. Hal ini ditunjukkan pada hasil tes, yakni 28 orang (100%) memperoleh nilai di atas KKM, dengan nilai rata-rata 83,4. Simpulan penelitian adalah model pembelajaran <em>Think Pair Share </em>menggunakan alat peraga gambar berseri dapat meningkatkan keterampilan menulis naskah drama satu babak. Berdasarkan simpulan penelitian, maka dalam pembelajaran menulis naskah drama satu babak sebaiknya dapat menerapkan model pembelajaran <em>Think Pair Share </em>berbantuan alat peraga gambar berseri.</p>
KEEFEKTIFAN MODEL PEMBELAJARAN VALUE CLARIFICATION TECHNIQUE DALAM MENGEMBANGKAN SIKAP SISWA
Authors: Tyas Sara Puspitaning , Mawardi Mawardi 
Published: March 2017

<p>Tulisan ini memaparkan tentang keefektifan model pembelajaran <em>Value Clarification Technique (VCT) </em>pada mata pelajaran PKn dalam menumbuhkan sikap siswa kelas 4 SD. Subjek penelitian melibatkan siswa kelas tinggi SD Gendongan 01 Salatiga. Siswa 4A sebagai kelompok kontrol dan 4B sebagai kelompok eksperimen. Variabel dalam penelitian ini mencakup variabel tindakan pembelajaran dengan menggunakan model <em>VCT </em>pada kelas eksperimen dan pembelajaran konvensional pada kelas kontrol sebagai variabel bebas, sikap siswa sebagai variabel terikat, dan sikap awal siswa sebagai variabel kovariat. Pengumpulan data menggunakan instrumen skala sikap model <em>Likert </em>dan lembar observasi. Teknik analisis data menggunakan teknik deskriptif dan teknik statistik <em>ANCOVA</em>. Berdasarkan uji <em>ANCOVA </em>terhadap <em>treatment </em>pada kelompok kontrol dan kelompok eksperimen diperoleh hasil nilai F sebesar 9.884, pada taraf probabilitas 0,004; oleh karena nilai probabilitas tersebut &lt; 0,05, maka H ditolak dan H diterima. Artinya bahwa penerapan model pembelajaran <em>VCT </em>memberikan dampak yang lebih tinggi secara signifikan dalam mengembangkan sikap terhadap globalisasi dibandingkan pembelajaran konvensional pada mata pelajaran PKn kelas tinggi. Perbedaan yang signifikan tersebut didukung oleh perbedaan rerata dua sampel penelitian, dimana rerata skor tingkat sikap siswa pada penerapan model pembelajaran <em>VCT </em>sebesar 86,28, sedangkan pada pembelajaran konvensional sebesar 71,39. Maknanya adalah bahwa perlakuan pembelajaran dengan model <em>VCT </em>memberikan dampak pengembangan sikap yang lebih tinggi secara signifikan daripada model pembelajaran konvensional.</p><p> </p><p class="MsoNormal" style="margin-top: 0cm; margin-right: 32.05pt; margin-bottom: .0001pt; margin-left: 34.4pt; text-align: justify; text-indent: 28.3pt; line-height: 13.0pt; mso-line-height-rule: exactly;"> </p>
Atterberg Limits Prediction Comparing SVM with ANFIS Model
Authors: Sherzoy Mohammad Murtaza 
Published: March 2017

Support Vector Machine (SVM) and Adaptive Neuro-Fuzzy inference Systems (ANFIS) both analytical methods are used to predict the values of Atterberg limits, such as the liquid limit, plastic limit and plasticity index. The main objective of this study is to make a comparison between both forecasts (SVM & ANFIS) methods. All data of 54 soil samples are used and taken from the area of Peninsular Malaysian and tested for different parameters containing liquid limit, plastic limit, plasticity index and grain size distribution and were. The input parameter used in for this case are the fraction of grain size distribution which are the percentage of silt, clay and sand. The actual and predicted values of Atterberg limit which obtained from the SVM and ANFIS models are compared by using the correlation coefficient R2 and root mean squared error (RMSE) value. The outcome of the study show that the ANFIS model shows higher accuracy than SVM model for the liquid limit (R2 = 0.987), plastic limit (R2 = 0.949) and plastic index (R2 = 0966). RMSE value that obtained for both methods have shown that the ANFIS model has represent the best performance than SVM model to predict the Atterberg Limits as a whole.
Exercise Training and Functional Connectivity Changes in Mild Cognitive Impairment and Healthy Elders
Authors: Chirles Theresa J. , Reiter Katherine , Weiss Lauren R. , Alfini Alfonso J. , Nielson Kristy A. , Smith J. Carson 
Published: March 2017

Background: Effective interventions are needed to improve brain function in mild cognitive impairment (MCI), an early stage of Alzheimer’s disease (AD). The posterior cingulate cortex (PCC)/precuneus is a hub of the default mode network (DMN) and is preferentially vulnerable to disruption of functional connectivity in MCI and AD. Objective: We investigated whether 12 weeks of aerobic exercise could enhance functional connectivity of the PCC/precuneus in MCI and healthy elders. Methods: Sixteen MCI and 16 healthy elders (age range = 60–88) engaged in a supervised 12-week walking exercise intervention. Functional MRI was acquired at rest; the PCC/precuneus was used as a seed for correlated brain activity maps. Results: A linear mixed effects model revealed a significant interaction in the right parietal lobe: the MCI group showed increased connectivity while the healthy elders showed decreased connectivity. In addition, both groups showed increased connectivity with the left postcentral gyrus. Comparing pre to post intervention changes within each group, the MCI group showed increased connectivity in 10 regions spanning frontal, parietal, temporal and insular lobes, and the cerebellum. Healthy elders did not demonstrate any significant connectivity changes. Conclusion: The observed results show increased functional connectivity of the PCC/precuneus in individuals with MCI after 12 weeks of moderate intensity walking exercise training. The protective effects of exercise training on cognition may be realized through the enhancement of neural recruitment mechanisms, which may possibly increase cognitive reserve. Whether these effects of exercise training may delay further cognitive decline in patients diagnosed with MCI remains to be demonstrated.
Diabetic ketoacidosis complicating pregnancy
Authors: Bryant S.N. , Herrera C.L. , Nelson D.B. , Cunningham F.G. 
Published: March 2017

BACKGROUND: Although diabetic ketoacidosis (DKA) in pregnancy can result in significant adverse consequences for both mother and fetus, the response to treatment, time course of recovery, and perinatal outcomes have not been well studied in pregnancy. OBJECTIVE: We examined the precipitating factors, laboratory abnormalities, treatment strategies, and clinical recovery in pregnancies complicated by DKA. STUDY DESIGN: This is a retrospective cohort study of pregnancies complicated by DKA between October 1999 and June 2015. The diagnosis was verified by hyperglycemia; anion gap >12 mEq/L, pH <7.3, HCO3 <15 mEq/L; and the presence of ketones. Each episode of DKA was reviewed and subsequent perinatal outcomes analyzed. RESULTS: During this period, we identified 33 women with 40 admissions (incidence: 0.2%). The majority of women had type 1 diabetes (67%), and almost all presented with nausea and vomiting (97%). Over half had poor compliance with prescribed insulin. The initial mean blood glucose was 380 mg/dL, within 6 hours, it was <200 mg/dL. By 12 hours, the acidosis had resolved in 90% of patients. CONCLUSION: Nausea and vomiting is a prominent presenting feature of DKA in pregnancy. With aggressive insulin and resuscitation, hyperglycemia and acidosis improve rapidly. With current treatment, good perinatal outcomes can be expected.
Group B streptococcus colonization and HIV in pregnancy: A cohort study in Nigeria
Authors: Biobaku Oluwafunmilola R. , Olaleye Atinuke O. , Adefusi Olorunwa F. , Adeyemi Babalola A. , Onipede Anthony O. , Loto Olabisi M. , Imaralu John O. 
Published: March 2017

BACKGROUND: Group B streptococcus (GBS) is a leading cause of maternal and neonatal infectious morbidity. HIV is prevalent among pregnant women in Nigeria. AIM: To determine the rates of anogenital GBS colonization in our institution and compare GBS colonization rates between HIV positive and negative pregnant women. METHODS: A cross-sectional comparative study was conducted over 6 months. Patients were separated according to their HIV status: positive and negative. GBS colonization was assessed by vaginal and anal swabs collected at 35–37 weeks of gestation and cultured in Todd-Hewitt broth, followed by a confirmatory test. Socio-demographic characteristics and CD4 count were extracted from patient medical records. Secondary outcomes were identification of risk factors for GBS colonization, antibiotic sensitivity, and any association between CD4 count and GBS colonization. Appropriate statistical analysis was done. RESULTS: A total of 200 patients attended the clinic; 67 HIV positive and 133 negative. Analyzed samples were 198; the overall prevalence of GBS was 18.2%. No significant difference in GBS colonization was noted between HIV positive (19.4% [ 13 ]) and negative patients (17.6% [ 23/131 ]). Most GBS isolates were susceptible to ampicillin (87%) and penicillin (81%). A high body mass index (BMI) was independently associated with GBS colonization (OR = 1.25, 95% CI: 1.04–1.51). No association was observed between CD4 counts and GBS colonization. CONCLUSION: A high prevalence of GBS colonization was observed in our institution. Colonization rates were independent of the HIV status but associated with a high BMI in HIV positive women.
Predictions for the Detection and Characterization of a Population of Free-floating Planets with K2 Campaign 9
Authors: Penny Matthew T. , Rattenbury Nicholas J. , Gaudi B. Scott , Kerins Eamonn 
Published: March 2017

Abstract

K2 Campaign 9 (K2C9) offers the first chance to measure parallaxes and masses of members of the large population of free-floating planets (FFPs) that has previously been inferred from measurements of the rate of short-timescale microlensing events. Using detailed simulations of the nominal campaign (ignoring the loss of events due to Kepler’s emergency mode) and ground-based microlensing surveys, we predict the number of events that can be detected if there is a population of 1

FFPs matching current observational constraints. Using a Fisher matrix analysis, we also estimate the number of detections for which it will be possible to measure the microlensing parallax, angular Einstein radius, and FFP mass. We predict that between 1.4 and 7.9 events will be detected in the K2 data, depending on the noise floor that can be reached, but with the optimistic scenario being more likely. For nearly all of these, it will be possible to either measure the parallax or constrain it to be probabilistically consistent with only planetary-mass lenses. We expect that for between 0.42 and 0.98 events it will be possible to gain a complete solution and measure the FFP mass. For the emergency-mode truncated campaign, these numbers are reduced by 20 percent. We argue that when combined with prompt high-resolution imaging of a larger sample of short-timescale events, K2C9 will conclusively determine if the putative FFP population is indeed both planetary and free-floating.
Radio Observations of the Tidal Disruption Event XMMSL1 J0740–85
Authors: Alexander K. D. , Wieringa M. H. , Berger E. , Saxton R. D. , Komossa S. 
Published: March 2017

Abstract
We present radio observations of the tidal disruption event candidate (TDE) XMMSL1 J0740−85 spanning 592 to 875 days post X-ray discovery. We detect radio emission that fades from an initial peak flux density at 1.6 GHz of 1.19 ± 0.06 mJy to 0.65 ± 0.06 mJy, suggesting an association with the TDE. This makes XMMSL1 J0740−85 at d = 75 Mpc the nearest TDE with detected radio emission to date and only the fifth TDE with radio emission overall. The observed radio luminosity rules out a powerful relativistic jet like that seen in the relativistic TDE Swift J1644+57. Instead, we infer from an equipartition analysis that the radio emission most likely arises from a non-relativistic outflow similar to that seen in the nearby TDE ASASSN-14li, with a velocity of about 104 km s−1 and a kinetic energy of about 1048 erg, expanding into a medium with a density of about 102 cm−3. Alternatively, the radio emission could arise from a weak initially relativistic but decelerated jet with an energy of

erg, or (for an extreme disruption geometry) from the unbound debris. The radio data for XMMSL1 J0740−85 continues to support the previous suggestion of a bimodal distribution of common non-relativistic isotropic outflows and rare relativistic jets in TDEs (in analogy with the relation between Type Ib/c supernovae and long-duration gamma-ray bursts). The radio data also provide a new measurement of the circumnuclear density on a sub-parsec scale around an extragalactic supermassive black hole.
Evolution of Interstellar Medium, Star Formation, and Accretion at High Redshift
Authors: Scoville N. , Lee N. , Bout P. Vanden , Diaz-Santos T. , Sanders D. , Darvish B. , Bongiorno A. , Casey C. M. , Murchikova L. , Koda J. , Capak P. , Vlahakis Catherine , Ilbert O. , Sheth K. , Morokuma-Matsui K. , Ivison R. J. , Aussel H. , Laigle C. , McCracken H. J. , Armus L. , Pope A. , Toft S. , Masters D. 
Published: March 2017

Abstract
ALMA observations of the long wavelength dust continuum are used to estimate the interstellar medium (ISM) masses in a sample of 708 galaxies at z = 0.3 to 4.5 in the COSMOS field. The galaxy sample has known far-infrared luminosities and, hence, star formation rates (SFRs) and stellar masses (

) from the optical–infrared spectrum fitting. The galaxies sample SFRs from the main sequence (MS) to 50 times above the MS. The derived ISM masses are used to determine the dependence of gas mass on redshift,

, and specific SFR (sSFR) relative to the MS. The ISM masses increase approximately with the 0.63 power of the rate of increase in SFRs with redshift and the 0.32 power of the sSFR/sSFRMS. The SF efficiencies also increase as the 0.36 power of the SFR redshift evolution and the 0.7 power of the elevation above the MS; thus the increased activities at early epochs are driven by both increased ISM masses and SF efficiency. Using the derived ISM mass function, we estimate the accretion rates of gas required to maintain continuity of the MS evolution (

yr−1 at z > 2.5). Simple power-law dependencies are similarly derived for the gas accretion rates. We argue that the overall evolution of galaxies is driven by the rates of gas accretion. The cosmic evolution of total ISM mass is estimated and linked to the evolution of SF and active galactic nucleus activity at early epochs.
Relations between the Sizes of Galaxies and Their Dark Matter Halos at Redshifts 0 < z < 3
Authors: Huang Kuang-Han , Fall S. Michael , Ferguson Henry C. , van der Wel Arjen , Grogin Norman , Koekemoer Anton , Lee Seong-Kook , Pérez-González Pablo G. , Wuyts Stijn 
Published: March 2017

Abstract
We derive relations between the effective radii R
eff of galaxies and the virial radii R
200c
of their dark matter halos over the redshift range 0 < z < 3. For galaxies, we use the measured sizes from deep images taken with Hubble Space Telescope for the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey; for halos, we use the inferred sizes from abundance matching to cosmological dark matter simulations via a stellar mass–halo mass (SMHM) relation. For this purpose, we derive a new SMHM relation based on the same selection criteria and other assumptions as for our sample of galaxies with size measurements. As a check on the robustness of our results, we also derive R
eff–R
200c
relations for three independent SMHM relations from the literature. We find that galaxy R
eff is proportional on average to halo R
200c
, confirming and extending to high redshifts the z = 0 results of Kravtsov. Late-type galaxies (with low Sérsic index and high specific star formation rate (sSFR)) follow a linear R
eff–R
200c
relation, with effective radii at 0.5 < z < 3 close to those predicted by simple models of disk formation; at z < 0.5, the sizes of late-type galaxies appear to be slightly below this prediction. Early-type galaxies (with high Sérsic index and low sSFR) follow a roughly parallel R
eff–R
200c
relation, ∼0.2–0.3 dex below the one for late-type galaxies. Our observational results, reinforced by recent hydrodynamical simulations, indicate that galaxies grow quasi-homologously with their dark matter halos.
Data-driven, Interpretable Photometric Redshifts Trained on Heterogeneous and Unrepresentative Data
Authors: Leistedt Boris , Hogg David W. 
Published: March 2017

Abstract
We present a new method for inferring photometric redshifts in deep galaxy and quasar surveys, based on a data-driven model of latent spectral energy distributions (SEDs) and a physical model of photometric fluxes as a function of redshift. This conceptually novel approach combines the advantages of both machine learning methods and template fitting methods by building template SEDs directly from the spectroscopic training data. This is made computationally tractable with Gaussian processes operating in flux–redshift space, encoding the physics of redshifts and the projection of galaxy SEDs onto photometric bandpasses. This method alleviates the need to acquire representative training data or to construct detailed galaxy SED models; it requires only that the photometric bandpasses and calibrations be known or have parameterized unknowns. The training data can consist of a combination of spectroscopic and deep many-band photometric data with reliable redshifts, which do not need to entirely spatially overlap with the target survey of interest or even involve the same photometric bands. We showcase the method on the i-magnitude-selected, spectroscopically confirmed galaxies in the COSMOS field. The model is trained on the deepest bands (from SUBARU and HST) and photometric redshifts are derived using the shallower SDSS optical bands only. We demonstrate that we obtain accurate redshift point estimates and probability distributions despite the training and target sets having very different redshift distributions, noise properties, and even photometric bands. Our model can also be used to predict missing photometric fluxes or to simulate populations of galaxies with realistic fluxes and redshifts, for example.