Penelitian ini meiliki tujuan untuk mengetahui pengaruh model pembelajaran Problem Based Learning (PBL) terhadap hasil belajar Pendidikan Pancasila dan Kewarganegaraan (PPKn) kelas V Sekolah Dasar Negeri. metode yang digunakan pada penelitian ini eksperimen dengan rancangan One-group pretest-postest. Adapun pola dari One-group pretest-postest. Hasil uji hipotesis menggunakan t-test diperoleh thitung(16,39) > ttabel(2,093), Dari hasil perhitungan effect size diperoleh sebesar 0,42. Sehingga dapat disimpulkan bahwa terdapat pengaruh penggunaan model problem based learnng terhadap hasil belajar pada pembelajaran Pendidikan Pancasila dan Kerawganegaaraan kelas V SDN Pondok pinang 05.

Penelitian ini bertujuan untuk mengetahui sejauh mana pengaruh model pembelajaran dan kemandirian belajar terhadap kemampuan berfikir kritis IPA siswa kelas V sekolah dasar di Jakarta Timur. Metode yang digunakan dalam penelitian ini adalah metode eksperimen semu (quasi experimental design) yang merupakan pengembangan dari metode eksperimen murni analisis varians (ANAVA) dengan desain treatment by level 2x2. Adapun teknik dalam pengumpulan data adalah dengan angket, tes, dan dokument. . Teknik pengambilan sampel menggunakan  purposive sampling. Terjadi interaksi antara model pembelajaran dengan kemandirian belajar terhadap hasil kemampuan berpikir  kritis mata pelajaran IPA. Hasil pengujian anava diperoleh nilai Fhitung = 5,63 dan nilai kritik  Ftabel= 3,98 dengan dk (1,68) pada taraf á = 0,05. Hasil ini menunjukkan bahwa Fh = > Ft = sehingga terdapat interaksi antara penggunaan model pembelajaran dan kemandirian belajar dalam mempengaruhi hasil keterampilan berpikir kritis pada mata pelajaran IPA.

Baduy tribe is one of the tribes in Indonesia. Baduy tribal people who live in nature and always maintain the balance of their nature through traditional rules (pikukuh karuhun and pikukuh sapuluh). The purpose of this research is to find out the form and pikukuh ancestors they hold to date in character educators in elementary school children. The approach in this study used a qualitative approach with the spredly ethnographic method. Data collection techniques using interviews, documentation, field surveys, and field notes. In the technical analysis of data using the triangulation method. The results obtained are that the Baduy tribe community in character building for elementary school age children with the principles of being taught, accustomed, exemplified and enforced strict rules so as to form strong, obedient and obedient personal characters in carrying out the mandate of their ancestors and culture.

The Indonesian Adolescent Reproductive Health Survey (Survei Kesehatan Reproduksi Remaja Indonesia-SKRRI)h ighlights the lack of knowledge amongst adolescents regarding puberty. Other studies have identified the limited advice from parents, because parents and teachers frequently opt not to discuss experiences related to adolescent reproductive health. This study aims to understand the perception of teachers and students in higher grades with regards to puberty. The study used a qualitative approach, collecting data via in-depth interviews with teachers and students. There were seven informants, consisting of five teachers and two students studying in grade IV-VI from two schools in North Jakarta. The study shows teachers, as well as students, often had only a limited understanding of puberty and considered it a vulgar subject which should not be discussed. Teacher capacity building is needed regarding the material and delivery methods of puberty content. Keywords: puberty, higher grade, elementary school

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