How does model type influence consumer and online fashion retailing?

PurposeModel's physical attractiveness plays an important role in online shopping. The purpose of this paper is to explore the relationships among model type, consumer's perceived amount of information and consumer's approach behaviour.Design/methodology/approachConstrual level theory and anchoring effect are used to develop hypotheses. The authors conducted an online experiment in China, and 229 females participated in this experiment.FindingsCompared with the professional model, the nonprofessional model triggers consumers' more perceived amount of information and approach behaviour. The latter effect is significantly enhanced in the website retailing context. Moreover, perceived amount of information positively affects approach behaviour.Practical implicationsThe findings can help fashion brands understand the roles of model type and the online retailing context in consumer behaviour. It offers guidance on how to improve its marketing strategy scientifically. It can also provide consumers with suggestions for making objective purchasing decisions.Originality/valueThis study is one of the first to examine the effects of two model types (professional model or nonprofessional model) on consumers' perceived amount of information and approach behaviour within two online retailing contexts (website stores or webcast studio).

Inter operator variability of machine learning researchers predicting all-cause mortality in patients admitted to intensive care unit

Background The number of publications using machine learning (ML) to predict cardiovascular outcomes and identify clusters of patients at greater risk has risen dramatically in recent years. However, research papers which use ML often fail to provide sufficient information about their algorithms to enable results to be replicated by others in the same or different datasets. Aim To test the reproducibility of results from ML algorithms given three different levels of information commonly found in publications: model type alone, a description of the model, and complete algorithm. Methods MIMIC-III is a healthcare dataset comprising detailed information from over 60,000 intensive care unit (ICU) admissions from the Beth Israel Deaconess Medical Centre between 2001 and 2012. Access is available to everyone pending approval and completion of a short training course. Using this dataset, three models for predicting all-cause in-hospital mortality were created, two from a PhD student working in ML, and one from an existing research paper which used the same dataset and provided complete model information. A second researcher (a PhD student in ML and cardiology) was given the same dataset and was tasked with reproducing their results. Initially, this second researcher was told what type of model was created in each case, followed by a brief description of the algorithms. Finally, the complete algorithms from each participant were provided. In all three scenarios, recreated models were compared to original models using Area Under the Receiver Operating Characteristic Curve (AUC). Results After excluding those younger than 18 years and events with missing or invalid entries, 21,139 ICU admissions remained from 18,094 patients between 2001 and 2012, including 2,797 in-hospital deaths. Three models were produced: two Recurrent Neural Networks (RNNs) which differed significantly in internal weights and variables, and a Boosted Tree Classifier (BTC). The AUC of the first reproduced RNN matched that of the original RNN (Figure 1), however the second RNN and the BTC could not be reproduced given model type alone. As more information was provided about these algorithms, the results from the reproduced models matched the original results more closely. Conclusions In order to create clinically useful ML tools with results that are reproducible and consistent, it is vital that researchers share enough detail about their models. Model type alone is not enough to guarantee reproducibility. Although some models can be recreated with limited information, this is not always the case, and the best results are found when the complete algorithm is shared. These findings have huge relevance when trying to apply ML in clinical practice. Funding Acknowledgement Type of funding sources: None.

MENINGKATKAN MINAT BELAJAR MATEMATIKA SISWA MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE INDEX CARD MATCH PADA SISWA KELAS XI MIPA I SMA NEGERI I TANJUNG SELOR

Increasing Students' Interest in Learning Mathematics Through Cooperative Learning Model Type Index Card Match in Class XI MIPA I SMA Negeri I Tanjung Selor. This study aims to increase students' interest in learning mathematics through cooperative learning model type index card match in class XI MIPA I SMA Negeri 1 Tanjung Selor. This type of research is classroom action research. The subjects of this study were students of class XI IPA I SMA Negeri 1 Tanjung Selor which consisted of 17 male students and 16 female students. Data collection techniques in this study were using observation sheets and self-assessment. This classroom action research was carried out in 2 cycles and each cycle was carried out in 2 meetings. The results showed that the students' interest in learning mathematics in the first cycle was 74% of students in the high category at least and the second cycle increased to 85% of the students in the high minimum category. Based on the results of the study, it can be concluded that using the index card match model can increase interest in learning mathematics in class XI-1 students of SMA Negeri 1 Tanjung Selor. ABSTRAKMeningkatkan Minat Belajar Matematika Siswa Melalui Model Pembelajaran Kooperatif Tipe Index Card Match Pada Siswa Kelas XI MIPA I SMA Negeri I Tanjung Selor.Penelitian ini bertujuan untuk meningkatkan minat belajar matematika siswa melalui model pembelajaran kooperatif tipe index card match pada siswa kelas XI MIPA I SMA Negeri 1 Tanjung Selor. Jenis penelitian ini adalah penelitian tindakan kelas. Penelitian dilaksanakan pada tanggal 12 Januari–15 April 2020 di SMA Negeri 1 Tanjung Selor. Subjek penelitian ini adalah siswa kelas XI IPA I SMA Negeri 1 Tanjung Selor yang terdiri dari 17 siswa laki-laki dan 16 siswa perempuan. Teknik pengumpulan data dalam penelitian ini adalah menggunakan lembar observasi dan penilaian diri. Penelitian tindakan kelas ini dilaksanakan dalam 2 siklus dan setiap siklus dilaksanakan dalam 2 kali pertemuan. Hasil penelitian menunjukkan bahwa minat belajar matematika siswa pada siklus I adalah 74% siswa berada pada minimal kategori tinggi dan siklus II mengalami peningkatan menjadi 85% siswa berada pada minimal kategori tinggi. Berdasarkan hasil penelitian dapat disimpulkan bahwa dengan menggunakan model index card match dapat meningkatkan minat belajar matematika pada siswa kelas XI-1 SMA Negeri 1 Tanjung Selor.

PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE TEAMS GAMES AND TOURNAMENT (TGT) TERHADAP HASIL BELAJAR DASARLISTRIK DAN ELEKTRONIKA

AbstrakJenis penelitian ini adalah penelitian quasi eksperimen. Populasi dalam penelitian ini adalah seluruh siswa kelas X semester genap SMK Swasta Imelda Medan Tahun Ajaran 2019/2020. Pengambilan sampel dilakukan dengan mengambil 2 kelas, yaitu kelas X TITL 1 sebagai kelas eksperimen dan kelas X TITL 2 sebagai kelas kontrol, yang masing-masing kelas berjumlah 28 orang siswa. Instrument yang digunakan untuk mengetahui hasil belajar siswa adalah tes hasil belajar dalam bentuk pilihan berganda dengan jumlah soal 30 butir. Hasil pengujian pretest sebelum diberi perlakuan yang berbeda, yaitu skor rata-rata di kelas eksperimen (47) dengan standar deviasi 8,50 dan skor rata-rata di kelas kontrol (44,45) dengan standar deviasi 7,75. Pada pengujian data pretest kedua kelas diperoleh bahwa data kedua kelas berdistribusi normal dan homogen yang berarti memiliki kemampuan awal yang sama. Kemudian diberi perlakuan yaitu kelas eksperimen diajarkan dengan pembelajaran menggunakan model kooperatif tipe Team Game Tournament (TGT) dan kelas kontrol diajar dengan pembelajaran menggunakan model ekspositori. Setelah pembelajaran selesai diberikan posttest, diperoleh nilai posttest dengan hasil rata-rata kelas eksperimen (88,78) dengan standar deviasi 4,06 dan kelas kontrol (81,55) dengan standar deviasi 4,17. Dari hasil pengolahan data posttest diperoleh bahwa thitung= 6,40 dan ttabel = 1,67. Sehingga thitung > ttabel.Sehingga Ha diterima yaitu Model Pembelajaran Kooperatif Tipe Team Game Tournament (TGT)memberikan hasil belajar pada pelajaran dasar dan pengukuran listrik yang lebih tinggi daripada pembelajaran menggunakan model ekspositori pada siswa kelas X TITL SMK Swasta Imelda Medan.Kata Kunci: Pembelajaran Tipe Team Game Tournament, Model Pembelajaran Kooperatif AbstractEnglish translation. This type of research is quasi experimental research. The population in this study is all students of class X even semester of Imelda Medan Private Vocational School Year 2019/2020. Sampling is done by taking 2 classes, namely class X TITL 1 as an experimental class and class X TITL 2 as a control class, each of which totals 28 students. The instrument used to find out student learning outcomes is a test of learning results in the form of multiple choices with the number of questions 30 points. Pretest test results before being given different treatments, namely the average score in the experimental class (47) with a standard deviation of 8.50 and the average score in the control class (44.45) with a standard deviation of 7.75. In the pretest data test both classes it was obtained that the data of both classes are normal and homogeneous distribution which means it has the same initial capabilities. Then given the treatment that experimental classes are taught by learning using a cooperative model type Team Game Tournament (TGT) and control classes are taught by learning using an expository model. After the learning was completed, posttest scores were obtained with the average results of experimental classes (88.78) with a standard deviation of 4.06 and control classes (81.55) with a standard deviation of 4.17. From the results of posttest data processing obtained that thitung = 6.40 and ttabel = 1.67. So thitung > ttabel. So ha accepted, namely the Cooperative Learning Model Type Team Game Tournament (TGT) provides learning outcomes on basic lessons and higher electrical measurements than learning using the expository model in students of class X TITL SMK Swasta Imelda Medan. Keywords: Team Game Tournament Type Learning, Cooperative Learning Model

Model Pembelajaran Kooperatif Tipe Numbered Head Together sebagai Upaya Meningkatkan Prestasi Belajar Prakarya

This study aims to improve learning achievement of craft subjects through cooperative learning model type NHT in students of class VII G SMP Negeri 5 Sukoharjo first semester academic year 2017/ 2018.This research is a Classroom Action Research conducted in class VII G SMP Negeri 5 Sukoharjo first semester of academic year 2017/ 2018 with 32 students. Data collection techniques used are tests, observations, and documentation. The stages of data analysis in this study are data collection, data reduction, data presentation, and conclusion. The success indicator is the average score of the student's test at least 80.0 and many students with a value above the minimum mastery criteria (KKM) of 70.0 reach ≥ 85%.Based on the research that has been done, it can be concluded that the application of cooperative learning model type NHT can improve learning achievement of craft subjects student of class VII G SMP Negeri 5 Sukoharjo. Before the action / pre cycle, student learning outcomes reaching KKM 15 students or 46,9%, in cycle I, 23 students or 71,9% and in cycle II, 30 students or 93,75%. The average value of the class before the action / pre cycle was 68.5 after the first cycle action was 76,7 and after the second cycle action was 82.1.Keywords: Cooperative learning model type NHT, learning achievement of craft subjects. AbstrakPenelitian ini bertujuan untuk meningkatkan prestasi belajar prakarya melalui model pembelajaran kooperatif tipe NHT pada siswa kelas VII G SMP Negeri 5 Sukoharjo semester I tahun pelajaran 2017/ 2018. Penelitian ini adalah Penelitian Tindakan Kelas yang dilakukan di kelas VII G SMP Negeri 5 Sukoharjo semester I tahun pelajaran 2017/ 2018 yang berjumah 32 siswa. Teknik pengumpulan data yang digunakan adalah tes, observasi, dan dokumentasi.Tahap-tahap analisis data dalam penelitian ini adalah pengumpulan data, reduksi data, penyajian data, dan penarikan kesimpulan. Indikator keberhasilan adalah nilai rata-rata tes siswa sekurang-kurangnya 80,0 dan banyak siswa dengan nilai di atas kriteria ketuntasan minimal (KKM) yaitu 70,0 mencapai ≥ 85%. Berdasarkan penelitian yang telah dilakukan, dapat disimpulkan bahwa penerapan model pembelajaran kooperatif tipe NHT dapat meningkatkan prestasi belajar bahasa prakarya siswa kelas VII G SMP Negeri 5 Sukoharjo. Sebelum tindakan/ prasiklus, prestasi belajar siswa yang mencapai KKM 15 siswa atau 46,9%, pada siklus I, 23 siawa atau 71,9% dan pada siklus II, 30 siswa atau 93,75%. Nilai rata-rata kelas sebelum tindakan/prasiklus sebesar 68,5 setelah tindakan siklus I sebesar 71,9 dan setelah tindakan siklus II sebesar 82,1.Kata Kunci: Model pembelajaran kooperatif tipe NHT, prestasi belajar prakarya.

PENERAPAN MODEL TEAMS GAMES TOURNAMENT (TGT) TERHADAP AKTIVITAS DAN HASIL BELAJAR SISWA KELAS X IIS 3 SMA NEGERI 1 TELAGASARI PADA MATA PELAJARAN GEOGRAFI

The implementation of cooperative learning model type Teams Games Tournament grade X IIS 3 SMA Negeri 1 Telagasari. The research aims to improve the learning result of activity through. The research is research conducted a class act as much as two cycles. the subject of this research is the students of class X IIS 3 SMA Negeri 1 Telagasari with number of 41 students. Data about student learning activities and outcomes are collected using the methods of observation and test methods. all data were analyzed using descriptive qualitative techniques. The research on student learning activities shows an improvement of the cycle I70,10% which is quite active on the criteria being 81,67% in cycle II, who is on the active criteria. Whereas the results of the study on cycle I73,04% that is on the criteria 80.00% currently in cycle II is on high and with criteria of classical78,04%. from the analysis of the research data it can be concluded that the application of the cooperative learning model, this type of Teams Games Tournament can boost the activity and results of learning geography grade X IIS 3 SMA Negeri 1 Telagasari ABSTRAKPenerapan model pembelajaran kooperatif tipe Teams Games Tournament bertujuan untuk meningkatkan aktivitas dan hasil siswa kelas X IIS 3 SMA Negeri 1 Telagasari. Penelitian ini adalah penelitian tindakan kelas dilaksanakan sebanyak dua siklus. subjek dari penelitian ini adalah siswa kelas X IIS 3 SMA Negeri 1 Telagasari dengan jumlah 41 orang siswa. Data tentang aktivitas dan hasil belajar siswa dikumpulkan dengan menggunakan metode observasi dan metode test.semua data dianalisis menggunakan teknik deskriptif kualitatif. Hasil penelitian pada aktivitas belajar siswa menunjukkan peningkatan dari siklus I 70,10% yang berada pada kriteria cukup aktif menjadi 81,67% pada siklus II yang berada pada kriteria aktif. Sedangkan pada hasil belajar pada siklus I 73,04% yang berada pada kriteria sedang menjadi 80,00% pada siklus II berada pada kriteria tinggi dan ketuntasan klasikal 78,04% .dari analisis data penelitian dapat disimpulkan bahwa, penerapan model pembelajaran kooperatif tipe Team Game Tournament dapat meningkatkan aktivitas dan hasil belajar geografi siswa kelas X IIS 3 SMA Negeri 1 Telagasari