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21st century learning has had a huge impact on students and teachers. Students must be guided to be able to think critically to overcome various kinds of problems that occur. Furthermore, teachers as education play an important role in honing problem solving skills in their students. The problem solving learning model is a learning model that directs students to solve problems in the learning process. In addition, the problem solving learning model is not fully capable of being applied by science teachers. Although, in the 2013 curriculum in Indonesia a teacher is required to be able to apply the problem solving model in conducting science learning. Not only that, the limited experience of teachers in applying variations of these learning models is still the main obstacle in learning science. So, teachers in Indonesia must have extensive experience in adopting problem solving learning models. This study aims to determine the effectiveness of the problem solving learning model in learning science in Indonesia. This research is a kind of meta-analysis research. The research sample came from analyzing national and international journals published from 2010-2022. The selection of data used as samples was carried out very strictly and thoroughly. Searching for this research sample through Google Scholar, Eric, Hindawi, Sage, Springer, Proquest, IEEE, DOAJ, and Wiley. The sample selection technique is a purposive sampling technique. In this technique, the data that is used as a sample must have a relationship with the research variable. In searching for sample keywords, namely problem solving learning models in learning science (Biology, Chemistry and Physics) in various schools in Indonesia. Data analysis is descriptive statistical analysis with the OpenMEE application. Data analysis was performed by calculating effect size, standard deviation (SD), average value (mean), and N-gain. The results of this study concluded that the application of the problem solving learning model was very effective in learning science in Indonesia. This learning model is able to increase student learning outcomes with an average score of 86 students in the experimental class and 65.5 in the control class, the effect size value is 1.39 in the high category and N-Gain is 0.55.

Background: Lower back pain (NPB) Ischialgia is a pinched ischialgia nerve in the lower back area which causes the buttocks, thighs, lower legs and even feet to become tingling, painful, and sometimes causing weakness. Nerve mobilization is a manipulation technique by moving and stretching nerve tissue to increase axonal transportation so that it can improve nerve conduction. Nerve mobilization can reduce the pressure in the nerves so that there is an increase in blood flow to the nerves, which can have a regenerative and healing effect on injured nerves (Butler, 1991). Nerve mobilization is often used as a form of diagnosis and treatment for musculoskeletal conditions with nerve involvement (Butler, 1991). Nerve mobilization in the Lower Limb Tension Test (LLTT) is carried out at the branches of the Brachial plexus such as the radial nerve, median nerve and ulnar nerve. But here the author only discusses LLTT in the ishiadic nerve, namely LLTT 1 which is related to lower back pain. The aim is to determine physiotherapy management and the effect of Ultrasoundtherapy therapy and nerve mobilization using the LLTT 1 method in cases of lower back pain on reducing pain and increasing the functional ability of the hand. Two group pre test and post test method. RESEARCH PLACE: Physiotherapy clinic, RSU Sidoarjo. TIME: Measuring instrument: Visual Analouge Scale (VAS). Results: treatment using the Mann-Whtney test. With confidence interval (CI) (95%) The results of the study revealed that there was a significant difference in pain in group 1 (p = 0.00) and group 2 (p = 0.00). But there was no significant difference between the two groups in pain improvement (p = 0.152), so there was no better treatment between the two groups. Conclusion: It is concluded that ULTT is useful in treating CTS patients to reduce pain in two groups. The targeted outcomes are publications in national journals indexed by Sinta and HAKI. The TKT target for implementing this gamelan accompaniment exercise is level 2.

The context of this research is that writing skills are very important for learning, because they can train students to think, channel their desires, emotions, and express their ideas.. The use of documentary film media tells true stories about natural events in accordance with explanatory text material that tells about natural or social phenomena that can occur, such as about water, plastic which is the source of human life. The objective of this research, the researcher wants to know is there any effect of documentary film media on the writing skill of the fifth grade students of Sedatigede II Elementary School. While the research methodology used is quantitative by using a Quasi-Experimental design in the form of Nonequivalent Control Group Design. The research subjects were class V A as the experimental class and class V C as the control class at SDN Sedatigede II Sidoarjo with a total of 35 students. The data collection method used is an assessment in the form of a performance test with the task of writing an explanatory text. Using statistical analysis methods, the formulas used are normality test, homogeneity test and T-test. The test before and after using the media with the SPSS version 22 application were used. The results of this study were based on the results of the independent sample test data analysis, which showed the value of sig < 0.05, namely sig. (2-tailed) of 0.000. From these results, it was concluded that there was an effect of documentary film media on students' writing skills in the explanatory text material of fifth grade students of Sedatigede II Elementary School. This is reinforced by the significant difference in skill test scores in the experimental and control groups before and after treatment.

Penelitian ini bertujuan untuk menganalisis makna-makna yang terdapat dalam puisi “Doa” karya Chairil Anwar,khususnya makna ketuhanan.Metode yang digunakan dalam penelitian ini adalah deskriptif kualitatif. Pemaknaan terhadap puisi akan membuka segala aspek bangun dari teks puisi tersebut. Aspek bangun puisi terdiri atas beragam komponen bahasa yang menjadi bagian integral dalam teks puisi. Secara struktur, puisi dapat dipahami melalui berbagai komponen pembentuknya, seperti: diksi,citraan,majas,bunyi,dan tema. Komponen-komponen tersebut yang nantinya akan menemukan makna tersembunyi di dalamnya.

Bangunan gedung  SDN  Tanjung Priok 01 yang berlokasi di Jalan Edam 2, Jakarta Utara. terletak di tepi sungai Sunter. Tanah dasar pada lokasi rencana  tersebut termasuk sangat jelek, berupa silt lemupung sangat lunak. Maksud kajian teknik ini adalah memberikan rekomendasi yang dianggap baik dan tepat sehubungan dengan adanya kendala pelaksanaan di lapangan yang berkaitan dengan jumlah lantai bangunan SD yang direncanakan terhadap kondisi tanah serta lingkungan disekitar lahan SD tersebut. Kajian disusun berdasarkan kelayakan teknis struktur bawah dengan jenis pondasi dangkal berkaitan dengan tanah dasar sangat lunak, lahan bagian belakang berbatasan dengan lereng sungai, dan samping kanan kiri lahan berbatasan langsung dengan rumah penduduk. Metodologi yang digunakan adalah mengetahui data tanah dasar, menganalisis konstruksi dengan beban hidup sebagai fungsi sekolah, selanjutanya menganalisi kestabilan tanah yang mendukung pondasi dengan bantuan progrtam palxis2D. Hasil kajian ini memberikan rekomendasi tingkat lantai bangunan SD adalah dua lantai, dan jarak bangunan terhadap lereng atas sungai 15 meter.