This study aims to describe: 1) The validity and reliability of the PISA model mathematical problems on the change and relationship content developed; 2) The practicality of PISA mathematical problem models on the developed change and relationship content; 3) Students' mathematical problem-solving abilities on mathematical problems in the PISA model of content change and relations developed. This research is a Tessmer type development model. This study consists of 2 stages, namely the preliminary stage, and the formative evaluation (prototyping) stage which includes expert reviews, one-to-one, and small groups and the field test (high resistance in revision) stage. The subjects of this study were 32 students of Grade VIII-2 of SMP Negeri 6 Padangsidimpuan. Data collection techniques used were walkthrough, documents, tests, and questionnaires. Based on the results of the study, it was found that the mathematical problems of the PISA model on the content of change and relationship that has been developed produce valid questions that are reliable with high interpretation, as well as practical. PISA mathematical problem tests on the content of change and relationship with the students' mathematical problem-solving ability reached a score of 62.50% with enough categories.
Penelitian ini bertujuan untuk mendeskripsikan: 1) validitas dan soal matematika model PISApada konten change and relathionship yang dikembangkan; 2) kepraktisan soal matematika model PISApada konten change and relathionship yang dikembangkan; 3) kemampuan pemecahan masalah matematis siswa pada soal matematika model PISA konten change and relathionship yang dikembangkan. Penelitian ini adalah penelitian pengembangan tipe formative evaluation.Subjek penelitian ini adalah siswa kelas VIII-2 SMP Negeri 6 Padangsidimpuan sebanyak 32 siswa. Teknik pengumpulan data yang digunakan adalah walk through, dokumen, tes, dan angket. Dari hasil dapat disimpulkan bahwa penelitian in telah menghasilkan soal yang valid, reliabel dengan interpretasi tinggi, dan respon positif siswa terhadap soal tes yang telah dikembangkan. Hasil tes kemampuan pemecahan masalah matematis siswa mencapai skor rata-rata sebesar 69,74% dengan kategori cukup. Maka dapat disimpulkan bahwa soal matematika model PISA yang dikembangkan dikategorikan dalam kriteria valid dan praktis serta memiliki efek potensial terhadap kemampuan pemecahan masalah matematis siswa.
Implementation of the Regulation of the Minister of Home Affairs Number 66 of 2017 Article 8 Concerning the Mechanism of Replacement of Village Heads in Matondang Village, Ulu Barumun District, Padang Lawas Regency". The replacement of the village head is a stage that is carried out when the term of office of the village head has ended, whether it is the end of the term of office because the village head resigns, dies, requests himself or is dismissed. The formulation of the problem in this study is how to implement the Minister of Home Affairs Regulation number 66 of 2017 article 8 regarding the replacement of village heads in Matondang village, Ulu Barumun district, Padang Lawas district?, and what are the factors that hinder the implementation of the Minister of Home Affairs Regulation number 66 of 2017 article 8 regarding the replacement of the village head in Matondang village, Ulu Barumun sub-district, Padang Lawas district?. This research is a type of qualitative research, Qualitative research emphasizes efforts to answer research questions through formal argumentative ways of thinking. This type of research is research in the form of field studies or field research.In this study, the researchers found that the mechanism for replacing the village head in Matondang Village, Ulu Barumun sub-district, Padang Lawas district, was an important thing that must be done in the village government so that there was no vacancy in the village head position. The community considers that the replacement of the village head in Matondang Village, Ulu Barumun District, Padang Lawas Regency has been in accordance with the applicable stages or mechanisms, but the majority of people consider it not in accordance with the Implementation of the Minister of Home Affairs Regulation No.
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