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All Journal Delta-Pi : Jurnal Matematika dan Pendidikan Matematika Proceedings of International Conference on Multidiciplinary Research MANASA, Jurnal Ilmiah Psikologi
Ilhamuddin Ilhamuddin
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Education Materials Science & Nanotechnology Mathematics Social Sciences

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Deskripsi Kesalahan Siswa dalam Menyelesaikan Soal Matematika Pokok Bahasan Induksi Matematika Ernawati Ernawati; Ilhamuddin Ilhamuddin
Delta-Pi: Jurnal Matematika dan Pendidikan Matematika Vol 9, No 2 (2020)
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/dpi.v9i2.2274

Abstract

Abstrak. Penelitian ini bertujuan untuk mendeskripsikan kesalahan yang dilakukan siswa dalam menyelesaikan soal induksi matematika berdasarkan kesalahan konsep, kesalahan prosedur, dan kesalahan teknik. Jenis penelitian ini adalah deskriptif kualitatif. Subjek yang digunakan dalam penelitian ini sebanyak 6 subjek dari 9 subjek yang diambil dari kelas XI II SMA PGRI Sungguminasa yaitu 2 siswa yang melakukan kesalahan konsep, 2 siswa yang melakukan kesalahan prosedur, dan 2 siswa yang melakukan kesalahan teknik. Adapun instrumen dalam penelitian ini adalah lembar tes dan pedoman wawancara. Teknik pengumpulan data yang dilakukan yaitu dengan tes dan wawancara. Selanjutnya analisis seluruh data dilakukan melalui tahap reduksi data, tahap penyajian data, dan tahap penarikan kesimpulan. Sedangkan teknik triangulasi yang digunakan yaitu teknik triangulasi dengan metode yaitu membandingkan hasil tes dan wawancara. Berdasarkan hasil penelitian dapat disimpulkan bahwa: (1) bentuk kesalahan konsep yang dilakukan siswa dalam menyelesaikan soal-soal induksi matematika, yakni menuliskan jawaban yang tidak sesuai dengan konsep pembuktian n = 1, keliru dalam menuliskan perubahan n menjadi k dan n menjadi k + 1, menuliskan n yang seharusnya sudah diganti menjadi k, keliru dalam menambahkan deret pada perubahan k  menjadi k + 1, dan tidak memberikan pembuktian untuk n = k + 1, (2) bentuk kesalahan prosedur yang dilakukan siswa dalam menyelesaikan soal-soal induksi matematika, yakni tidak menunjukkan adanya pembuktian n = 1, n = k, dan n = k + 1, serta tidak menuliskan kesimpulan akhir dari pembuktian sebagai bentuk penegasan bahwa pernyataan yang diberikan telah terbukti benar, dan (3) bentuk kesalahan teknik yang dilakukan siswa dalam menyelesaikan soal-soal induksi matematika, yakni kesalahan dalam memindahkan konstanta atau variabel dari satu langkah ke langkah berikutnya, menuliskan penyelesaian yang tidak diperlukan, kesalahan manipulasi aljabar, dan kesalahan penggunaan tanda operasi pada hasil perpangkatan.. Kata kunci :Kesalahan Konsep, Kesalahan Prosedur, Kesalahan Teknik, Induksi Matematika 
PENGARUH IKLIM ORGANISASIONAL, AFEK POSITIF SPIRAL DALAM KELOMPOK KERJA, DAN SPIRITUALITAS KERJA TERHADAP KOMITMEN KERJA KARYAWAN REKTORAT UNIVERSITAS BRAWIJAYA Ika Adita Silviandari; Ika Rahma Susilawati; Ika Widyarini; Ilhamuddin Ilhamuddin
MANASA Vol 2 No 1 (2013): Juni, 2013
Publisher : Faculty of Psychology, Atma Jaya Catholic University of Indonesia

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Abstract

This research studied the effect of organizational climate, spiral positive affect in workgroup, and spirituality at work toward occupational commitment using field survey research method. 90 subjects were involved and sampled by using cluster sampling method. The variables were assessed with organizational climate, spiral positive affect in workgroup, spirituality at work, and occupational commitment Likert-like scales. Multiple linier regression analyses indicated that organizational climate (X1), spiral positive affect in workgroup (X2), and spirituality at work (X3) have 38,6 % simultaneous contributions on occupational commitment (R2=0.386; F: 18.031). But only spiral positive affect in workgroup can solely predict occupational commitment signifcantly (t = 2.016; p=0.047< 0.05). These findings suggest that despite the influence of organizational climate and individual spirituality at work, experiencing pleasure of working in group/ team foster greater employee commitment.
Analysis of Hygiene and Sanitation in Junior High School Canteens in Banda Aceh Masyudi Masyudi; Ilhamuddin Ilhamuddin; Tika Indiraswari; Husna Husna; Yulidar Yulidar; Anita Noviyanti; Evi Dewi Yani; T M Rafsanjani
International Conference on Multidisciplinary Research Vol 3, No 2 (2020): ICMR
Publisher : Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/pic-mr.v3i2.2692

Abstract

This study aims to see the effect of coaching, supervision and actions given by Banda Aceh junior high school canteen managers on the hygiene and sanitation of the school canteen. A canteen with a low hygiene standard in its physical condition, its raw material for food, food processing and food presentation, can give negative impacts on a child’s health, growth, cognitive development, and nutritional status, which will eventually affect their academic achievement. This research, conducted from 2 to 5th of August 2017, is an analytical survey research with a cross-sectional design. Based on the results of statistical tests using chi-square technique, a positive and significant correlation was found between the canteen manager’s coaching and the canteen’s hygiene and sanitation (p-value = 0.001 0.05), particularly between the supervision, hygiene and sanitation variables (p-value = 0.001 0.05). There is also a strong and significant relationship between the level of canteen maintenance and the canteen’s hygiene and sanitation (p-value = 0.002 0.05). The canteen staff are reported to have complied with the applicable regulations and applied the knowledge they have about the standard hygiene and sanitation. They reported that they regularly maintain personal hygiene when processing the food by washing their hands and keep their work equipment clean. Besides, they maintain the cleanliness of the canteens by throwing waste into the dumping area when the bin is full, and by keeping food and kitchen wares clean. Keywords: Hygiene, Sanitation, Canteen 
Co-Authors Ernawati Ernawati Evi Dewi Yani Husna Husna Ika Adita Silviandari Ika Rahma Susilawati Ika Widyarini Masyudi Masyudi Noviyanti, Anita T.M. Rafsanjani Tika Indiraswari Yulidar Yulidar