bluuebunny/crossref_metadata_2025_split huggingface dataset:
IDENTIFIKASI KEMAMPUAN KOGNITIF SISWA DALAM MENYELESAIKAN SOAL-SOAL MATERI BANGUN RUANG SISI DATAR
Authors: Sari Yulia Purnama , Amilda Amilda , Syutaridho Syutaridho 
Published: August 2019

Penelitian ini bertujuan untuk mengetahui kemampuan kognitif dalam evaluasi pembelajaran matematika siswa. Jenis penelitian ini merupakan penelitian deskriptif kuantitatif. Populasi yang digunakan adalah seluruh kelas yang terdiri dari sembilan kelas. Dari sembilan kelas populasi diambil satu kelas yang dijadikan sampel yaitu kelas VIII dengan jumlah siswa sebanyak 33 orang dengan penentuan sampel menggunakan teknik cluster random sampling. Pengumpulan data dilakukan dengan pemberian tes mengenai bangun ruang sisi datar. Data dianalisis dengan cara mencari rata-rata nilai siswa, yang disajikan dalam bentuk tabel, sehingga diperoleh kesimpulan. Berdasarkan hasil analisis data diperoleh data sebagai berikut: 1) kemampuan kognitif siswa pada level C1 rata-rata sangat tinggi yaitu 74,74% termasuk kedalam kategori baik, kemampuan kognitif siswa pada level C2 rata-rata rendah yaitu sebesar 59,59% termasuk dalam kategori cukup, kemampuan kognitif siswa pada level C3 rata-ratanya lebih tinggi dari rata-rata C2 yaitu sebesar 66,66% termasuk dalam kategori baik, dan yang terakhir kemampuan kognitif siswa pada level C4 rata-rata sangat rendah dengan persentase sebesar 35,35% termasuk kategori gagal
PENGARUH SIKAP SISWA PADA MATEMATIKA TERHADAP HASIL BELAJAR MATERI PERSAMAAN KUADRAT
Authors: Lestariningsih Lestariningsih , Sholichah Baqiyatus 
Published: August 2019

Hasil belajar dipengaruhi oleh faktor internal, faktor eksternal dan pendekatan belajar salah satunya pada faktor internal, contohnya sikap. Tujuan penelitian ini adalah untuk mengetahui pengaruh sikap siswa pada matematika terhadap hasil belajar siswa. Jenis penelitian ini adalah penelitian Kuantitatif dengan menggunakan metode Ex Post Facto. Dengan hasil uji hipotesis diperoleh harga r ≠ 0 maka Ha diterima dan H0 ditolak dengan koefisien korelasi r hitung = 0,907 dengan N = 25 dan taraf kesalahan 1% diperoleh r tabel = 0,505 dapat disimpulkan r hitung > r tabel, yang berarti ada hubungan antara sikap siswa pada matematika terhadap hasil belajar matematika dengan tingkat interpretasi sangat kuat. Dengan persamaan analisis regresi linear sederhana Y ̂ = 19,8 + 0,99 x dengan koefisien determinasi sebesar 82,3% dan hasil perhitungan F_( hitung)= 107,221 dengan F_( tabel)= 4,28 dapat disimpulkan F_( hitung) lebih besar dari pada F_( tabel) yaitu 107,221 > 4,28 sehingga H_0 ditolak dan H_a diterima. Hasil belajar matematika dipengaruhi sebesar 82,3 % oleh sikap siswa pada matematika, sisanya 17,7 % dipengaruhi oleh faktor lain
Analisis Kesalahan Siswa Kelas VII dalam Menyelesaikan Soal Cerita pada Materi Himpunan
Authors: Munawaroh Munawaroh , Resta Eka Liani 
Published: August 2019

Abstrak

Penelitian ini dilatarbelakangi oleh tingginya kesalahan siswa dalam menyelesaikan soal cerita.Tujuan penelitian ini adalah untuk mengetahui jenis kesalahan siswa dalam menyelesaikan soal cerita pada materi himpunan Kelas VII berdasarkan langkah penyelesaian Polya terdiri dari empat langkah, yaitu kesalahan memahami soal, kesalahan menyusun rencana, kesalahan melaksanakan rencana, dan kesalahan memeriksa kembali solusi yang diperoleh. Jenis penelitian ini adalah penelitian kualitatif deskriptif. Metode pengumpulan data yang digunakan adalah tes dan dokumentasi. Subjek penelitian adalah siswa kelas VII.4 SMP Negeri 1 Mempura berjumlah 24 siswa. Hasil penelitian menunjukan bahwa terdapat empat kesalahan dalam menyelesaikan soal cerita materi himpunan, yaitu kesalahan memahami masalah sebesar 5,33%, kesalahan menyusun rencana sebesar 32,66%, kesalahan melaksanakan rencana sebesar 40 %, dan kesalahan mengecek kembali jawaban sebesar 22 %. Pada penelitian ini kesalahan terbesar dilakukan pada langkah melaksanakan rencana. Penelitian ini dapat menjadi kajian referensi penelitian selanjutnya.
Model Pembelajaran Problem Based Learning (PBL) Terhadap Kemampuan Berpikir Kritis Matematika Siswa Kelas IX
Authors: Agustina Mauly Dewanty , Putri Agustiany Dumeva , Gustiningsih Tria 
Published: August 2019

Penelitian ini bertujuan untuk mengetahui bagaimana pengaruh Model Pembelajaran Problem Based Learning terhadap kemampuan berpikir kritis matematika siswa kelas IX di MTs Aulia Cendekia Palembang. Penelitian ini merupakan penelitian kuantitatif. Subjek penelitian ini yaitu, siswa kelas IX.A sebagai kelas eksprimen dan kelas IX.B sebagai kelas kontrol. Pada proses pembelajaran kelas eksperimen diajarkan denganmodel pembelajaran Problem Based Learning. Pengambilan data menggunakan tes dan lembar observasi. Dari hasil analisis data menggunakan uji t dan taraf signifikan = 0,05. Hasil analisis data menggunakan uji t diperoleh thitung = 2,1439 dan ttabel = 1,9966. Hal ini berarti bahwa ada pengaruh Model Pembelajaran Problem Based Learning Terhadap Kemampuan Berpikir Kritis Matematika Siswa Kelas IX di MTs Aulia Cendekia Palembang.
Membumikan Tasawwuf di Tengah Krisis Spiritualitas Manusia Abad Modern Pandangan Sayyed Hossein Nasr
Authors: Nabil Muhammad 
Published: August 2019

<p class="06IsiAbstrak">In this modern world, people are more focused on worldly or material nature, and far from the spiritual direction. Technology and lifestyle become a trend of life and symbols of progress or level of human strata in the direction of perfection, then with the technology that is increasingly high and far away, keep people even the crisis in human nature. Analytical descriptive is the method used in answering the problems of this modern century. This matter Sayyed Hossein Nashr provides solution from various solutions, one of which he loves is <em>Tasawwuf</em>, this teaching is the point or center of spiritual improvement in the direction of perfection to the essence. In this case tasawwuf becomes the vehicle of choice with the aim of filling human spirituality which is filled with material, nobility, and worldly influences to the nature of nature. It is natural that tasawwuf has an important role in maintaining human balance in the worldly and the beyond aspect. So with the existence of tasawwuf all knowledge will not colide, so it becomes necessary to balance religion and culture.</p>
Anatomical Reconstruction of the Acromion Using an Autologous Iliac Crest Graft for Treatment of Recurrent Chondroblastoma
Authors: Herget Georg W. , Maier Dirk , Südkamp Norbert P. , Uhl Markus , Füllgraf Hannah , Dovi-Akue David 
Published: August 2019

Case:
A 38-year-old man presented with recurrent chondroblastoma of the acromion after primary curettage and bone grafting. The patient underwent revision surgery with resection of the acromion and reconstruction using an autologous iliac crest graft. He had regained normal shoulder function without recurrence at a follow-up of 17 months.

Conclusions:
This case demonstrates a rare location of chondroblastoma and successful anatomical and functional reconstruction. The described surgical procedure could be considered for large tumorous lesions of the acromion, for which curettage would be insufficient, and to preserve and reconstruct a functionally intact shoulder girdle.
GROWTH IMPROVEMENT OF TOMATO WITH THE APPLICATION OF BACTERIAL ISOLATES PRODUCING INDOLE ACETIC ACID (IAA) AND PHOSPHATE SOLUBILIZER
Authors: Riyanti Eny Ida , Susilowati Dwi Ningsih , Mulya Karden , Listanto Edy 
Published: August 2019

<p class="keyword">Soil bacteria have important roles in biogeochemical cycle for soil fertility and have been manipulated for ecologically-friendly crop production. The search for beneficial association between microbes and plants for promoting growth and health should be studied for tomato growth improvement. The study aimed to evaluate 19 microbial isolates which produced indole acetic acid (IAA) affecting growth and development of tomato (Palupi variety), and molecularly identify the most effective isolates in improving tomato growth based on 16s rDNA sequences. The experiment was conducted in pots using a complete randomized design with three replications. The parameters observed included plant height, plant dry weight, root length, root dry weight, and fruit fresh weight. The isolates that significantly improved tomato growth were molecularly identified using 16s rRNA sequence. The phenotypic properties such as IAA content and phosphate solubilizing index (PI) of the superior isolates were determined. Results showed that the application of bacterial isolates on tomato significantly increased plant dry weight and fruit yield. From 19 isolates tested, Aj 3.7.1.14 significantly increased plant dry weight, root length, and fruit yield. This isolate produced IAA of about 14.77 ppm and PI of 1.86. Molecular analysis on Aj 3.7.1.14 demonstrated that the isolate had 89% similarity to <em>Pseudomonas fragi</em>. The identified <em>P. fragi</em> was found to be the most effective isolate for improving tomato growth and fruit yield. Another isolate, <em>Bacillus amyloliquefaciens</em> was found to promote root length, root dry weight, and fruit yield. These isolates are potential to be further investigated for field trials</p>
Onset of the Late Paleozoic Glacioeustatic Signal: A Stratigraphic Record from the Paleotropical, Oil-Shale-Bearing Big Snowy Trough of Central Montana, U.S.A.
Authors: Ahern Justin P. , Fielding Christopher R. 
Published: August 2019

AbstractIn the Big Snowy Mountains of central Montana, USA, late Visean to Bashkirian strata preserve a nearly complete, but poorly documented, paleotropical stratigraphic succession that straddles the range of current estimates of the onset of the Late Paleozoic Ice Age (LPIA). Sedimentologic and stratigraphic investigation of the Otter (late Visean to Serpukhovian) and Heath (Serpukhovian) formations, with secondary focus on the overlying Tyler (late Serpukhovian to Bashkirian) and Alaska Bench (Bashkirian) formations, facilitated an appraisal of paleotropical environmental change preserved in this succession. Three facies associations reminiscent of environments currently forming in Shark Bay, Australia, were identified in the Otter Formation: shallow semi-restricted littoral platform, intertidal platform, and supratidal plain. Five facies associations broadly comparable to modern environments present in the Sunda Shelf and southern coast of the Persian Gulf were identified in the Heath Formation: offshore outer ramp, mid- to outer ramp, inner ramp, coastal plain, and sabkha. Facies associations preserved in the Heath Formation are here explained in the context of a protected, homoclinal carbonate ramp situated in a partially silled epicontinental embayment. A shift from low-magnitude relative sea-level oscillations preserved in the Otter Formation to a cyclothemic stratigraphic pattern entailing ≥ 6 fourth-order, high-frequency and high-magnitude relative sea-level fluctuations in the Heath Formation is here interpreted to record the main eustatic signal of the LPIA in central Montana. Current published biostratigraphic constraints for the observed stratigraphy estimate the main eustatic signal of the LPIA to have occurred approximately between 331 (base Serpukhovian) and 327 Ma in central Montana. A distinct upward transition from coal and paleosol-bearing depositional sequences in the lower Heath to evaporite and limestone-bearing depositional sequences in the upper Heath preserves a broad humid to arid paleoclimate shift during deposition of this unit, which influenced hydrographic circulation patterns and the resultant distribution of anoxic environments in the Big Snowy Trough during this time interval. Improved depositional and sequence stratigraphic models of the Heath Formation proposed in this study permit new insight into the theoretical distribution of, and water depth necessary to preserve, black, organic-rich claystone and shale in partially silled intracratonic basins, in addition to new temporal constraints on LPIA onset in paleotropical western Laurentia.
Daily time management and autonomy in school-age children with ADHD, intellectual disabilities, and typically developing children show different patterns
Authors: Wennberg Birgitta , Kjellberg Anette , Gustafsson Per Anders , Almqvist Lena , Janeslätt Gunnel 
Published: August 2019

Abstract
Background
Children with ADHD and those with intellectual disability (ID) often have problems in daily time management (DTM) and the underlying time-processing ability (TPA). It is, however, less well-known how DTM and TPA may impact children’s everyday autonomy. The purpose of this study was to investigate DTM, TPA and self-rated autonomy in the activities of everyday life among children aged 9-15 years with ADHD (n = 47), with ID (n = 47) and typically developing (TD) children (n = 47).

Method
A descriptive, comparative and cross-sectional design was used. Group comparisons and cluster analysis with one-way analysis of variance (ANOVA) with Turkey post-hoc tests and bootstrapping were used to analyse the data.
Results
Children with ADHD and those with ID had significantly lower TPA and DTM than TD children. However, there was a considerable heterogeneity not explained by age, ranging from skilled to having significant problems in TPA among children with ADHD and ID, as shown by cluster analysis. Children with ADHD had lower DTM than those with ID. For all children the levels of self-rated autonomy seemed to follow the level of TPA.
Conclusions
Children with ADHD and those with ID have an increased risk of delayed TPA, affecting their DTM and autonomy. The results indicate a need to measure TPA and tailor interventions for each child.

Keywords:
ADHD, autonomy, child , cluster analysis, intellectual disability, participation, time management
Ghost cell glaucoma after intravitreous injection of ranibizumab in proliferative diabetic retinopathy
Authors: XU Jun , ZHAO Meng , LI Jipeng , LIU Ningpu 
Published: August 2019

Abstract
BACKGROUND: Intravitreous injection of anti-vascular endothelial growth factor agents has been widely used as an adjunctive method to vitrectomy in eyes with vitreous hemorrhage due to proliferative diabetic retinopathy (PDR). Here we reported a series of patients with PDR who developed ghost cell glaucoma after intravitreous injection and analyzed the potential factors that might be related to the development of ghost cell glaucoma.
METHODS: Retrospective case series study. A total of a consecutive 71 eyes of PDR patients who received vitrectomy after intravitreous injection of ranibizumab (IVR) from January 2015 to January 2017 were enrolled in the study.Intraocular pressure (IOP) was recorded before and after intravitreous injection. Medical records of patients were recorded and investigated. The onset and treatment of ghost-cell glaucoma were recorded.
RESULTS: There were 8 out of 71 eyes of the PDR patients developed ghost cell glaucoma after they received IVR. The interval between detection of elevation of IOP and intravitreous injection ranged from 0 to 2 days. There were 2 eyes had IOP greater than 30mmHg at the first IOP measurement at 30 minutes after IVR and remained elevated thereafter. The mean maximum IOP was 46.5±8.0 mmHg. There were 5 patients required medicine and 3 patients required additional paracentesis to control IOP. All patients gained normal IOP after vitrectomy and did not require medicine for lowering IOP ever since. The binary backward stepwise logistic regression model showed that the presence of ghost cell glaucoma was associated with tractional retinal detachment (RR= 4.60 [2.02~8.48], p= 0.004) and fibromembrane involving disk (RR=-3.57 [-7.59~-0.92], p=0.03) (AIC= 39.23，AUC=0.88).
CONCLUSION: The ghost cell glaucoma can occur after IVR among PDR patients who are required vitrectomy. Attention on postoperative IOP should be paid to patients with PDR undergoing vitrectomy who receive a preoperative intravitreous injection of anti-VEGF agents, especially in patients with severe PDR.
The Kiddie Schedule for Affective Disorders and Schizophrenia Present and Lifetime Version (K-SADS-PL) for DSM-5: A Validation for Neurodevelopmental Disorders in Japanese Outpatients
Authors: Nishiyama Takeshi , Sumi Satoshi , Watanabe Hiroto , Suzuki Futoshi , Kuru Yukiko , Shiino Tomoko , Kimura Takuma , Wang Chaochen , Lin Yingsong , Ichiyanagi Maya , Hirai Kou 
Published: August 2019

Abstract
Background

The Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime version (K-SADS-PL) is a widely used semi-structured diagnostic interview in child and adolescent psychiatry. However, given the extensive use of the K-SADS-PL in clinical practice and research and its adaptation for use in many languages and cultures, validation studies of the instrument are scarce. This study was designed to examine the inter-rater reliability, criterion validity and construct validity of the updated instrument, the K-SADS-PL for DSM-5, in Japanese outpatients totaling 95 children and adolescents.

Methods

We translated and adapted the updated instrument into Japanese using a standard forward-backward translation procedure. Two of nine experienced clinicians independently made diagnoses using the interview for each patient in a conjoint session. Discrepancies in diagnosis between two clinicians were resolved by consensus, and the consensus diagnosis was compared with a “best-estimate” diagnosis made by five experienced clinicians using all available data sources for patients who were blinded to the diagnosis using the K-SADS-PL for DSM-5. The “best-estimate” diagnosis of ASD was also based on the Diagnostic Interview for Social and Communication Disorders.

Results

The inter-rater reliability was very good, as shown by κ ≥ 0.8 for all disorders examined: autism spectrum disorder (ASD), attention-deficit hyperactivity disorder, tic disorders, selective mutism, enuresis and encopresis. The criterion validity was good, as shown by κ ≥ 0.6 for all disorders examined, except for ASD (κ = 0.54). This study also revealed good construct validity of the instrument by confirming the expected associations with each scale from the Social Responsiveness Scale-2nd edition and the Strengths and Difficulties Questionnaire.

Conclusion

These results suggest that the K-SADS-PL for DSM-5 generates valid diagnoses in child and adolescent psychiatry.
New Insights into Mammalian Sex Chromosome Structure and Evolution from High-quality Bovine X and Y Chromosome Sequences
Authors: Liu Ruijie , Low Wai Yee , Tearle Rick , Koren Sergey , Ghurye Jay , Rhie Arang , Phillippy Adam M. , Rosen Benjamin D. , Bickhart Derek M. , Smith Timothy P.L. , Hiendleder Stefan , Williams John Lewis 
Published: August 2019

Abstract
Background

Mammalian X chromosomes are mainly euchromatic with a similar size and structure among species whereas Y chromosomes are smaller, have undergone substantial evolutionary changes and accumulated male specific genes and genes involved in sex determination. The PAR is conserved on the X and Y and pair during meiosis. The structure, evolution and function of mammalian sex chromosomes is still poorly understood because few species have high quality sex chromosome assemblies.

Results

Here we report the first bovine sex chromosome assemblies that include the complete pseudoautosomal region (PAR) spanning 6.84 Mb and three Y chromosome X-degenerate (X-d) regions. We show that the ruminant PAR comprises 31 genes and is similar to the PAR of pig and dog but extends further than those of human and horse. Differences in the pseudoautosomal boundaries are consistent with evolutionary divergence times.

Conclusions

A bovidae-specific expansion of members of the lipocalin gene family in the PAR may reflect immune-modulation and anti-inflammatory responses that contribute to parasite resistance in ruminants. Comparison of the X-d regions of Y chromosomes across species reveal five conserved X-Y gametologs, which are global regulators of gene activity, and may have a fundamental role in mammalian sexual dimorphism.
Peer education for HIV prevention among high-risk groups: a systematic review and meta-analysis
Authors: He Jiayu , Wang Ying , Du Zhicheng , He Na , Hao Yuantao 
Published: August 2019

Abstract
Background

Peer education has become a strategy for health promotion among HIV groups at high-risk worldwide. However, the quantitative effect and its duration of peer education on preventing HIV is still unknown.Method

A systematic review and meta-analysis was adopted to assess the effects and its duration of peer education, following the PRISMA guidelines. A thorough literature search of PubMed, Web of Science, Embase and Cochrane Library was performed, and studies about peer education on HIV high-risk groups were reviewed. Pooled effects were calculated and the heterogeneity source were explored using meta-regression and subgroup analysis.Results

A total of 60 articles with 96484 subjects were identified, and peer education was associated with 36% decreased rates of HIV infection among high risk groups overall (OR: 0.64; 95%CI: 0.47-0.87). Peer education can promote HIV testing (OR=3.19; 95%CI:2.13,4.79) better than condom use (OR=2.66, 95% CI: 2.11-3.36) and can reduce equipment sharing (OR=0.50; 95%CI:0.33,0.75) better than unprotected sex (OR=0.82; 95%CI: 0.72-0.94). Time trend analysis showed a persistent effect of peer education and the different follow-up time was a source of heterogeneity.Conclusion

Peer education is persistently effective for changing behaviors among high-risk groups worldwide, especially for the behaviors of HIV testing and equipment sharing. Low and middle income countries are encouraged to conduct peer education at a large scale.
Increased STIP1 and Hsp90 correlate with progression and prognosis of lung adenocarcinoma
Authors: Zhang Youwen , Wang Junye , Ye Shucheng , Guo Maoqing , Jiang Shenghua , Li Wei 
Published: August 2019

Abstract
Background: Stress-inducible phosphoprotein 1 (STIP1) and heat shock protein 90 (Hsp90) have been found to be correlated with malignant tumors. The aim of this investigation was to study the relationship between their expressions and lung adenocarcinoma (LAC).
Methods: The expressions of STIP1 and Hsp90 in LAC cells and tissues were tested by immunohistochemistry and western blot; the correlation between their expressions and clinicopathological parameters of LAC was analyzed by survival analysis and multiple regression analysis.
Results: Expressions of STIP1 and Hsp90 were higher in A549 cells and LAC tissues than that in 16 human bronchial epithelial cells (16HBE cells) (P < 0.05) and adjacent normal lung tissues (P < 0.05). The expression of STIP1 and Hsp90 in LAC showed a strong positive correlation (P < 0.05) and significantly correlated with lymph node metastasis (P < 0.05), advanced clinical stage (P < 0.05) and shorter survival (P < 0.05) of LAC.
Conclusions: Increased expressions of STIP1 and Hsp90 were closely related to malignant biological behavior of LAC, suggesting that they could be used as potential biomarkers and prognostic indicators for LAC.