2 research outputs found
Pengaruh Kepadatan Di Kelas Terhadap Prestasi Belajar Tematik K13 Pada Siswa Kelas V SDN I Pagentan
No full textABSTRAK Ananta, Devi, Eka,. 2017. Pengaruh Kepadatan Di Kelas Terhadap Prestasi Belajar Tematik K13 Pada Siswa Kelas V SDN I Pagentan. Skripsi, Fakultas Pendidikan Psikologi, Universitas Negeri Malang. Pembimbing (1) Prof.Dr. Fattah Hanurawan, M.Si., M.Ed, (2) Gamma Rahmita Ureka Hakim, S.Psi., M.Psi. Kata Kunci :Kepadatan Kelas, Prestasi Belajar, Sekolah Dasar Prestasi belajar merupakan indikator keberhasilan dalam proses pendidikan. Banyak faktor yang mempengaruhi prestasi belajar baik itu faktor internal dan faktor eksternal. Salah satu faktor eksternal adalah kepadatan kelas. Kepadatan mengacu pada variabel kondisi fisik, yaitu jumlah orang pada suatu unit area. Berdasarkan hal tersebut peneliti ingin menguji pengaruh kepadatan di kelas terhadap prestasi belajar matematika pada siswa kelas V SD. Pendekatan yang digunakan dalam penelitian ini adalah pendekatan kuantitatif. Jenis penelitian yang digunakan adalah penelitian eksperimen. Penelitian eksperimen ini menggunakan jenis randomized two group design posttest only. Populasi penelitian adalah siswa kelas V berjumlah 60 siswa yang terbagi dalam 2 kelompok. Analisis data menggunakan uji beda yaitu uji t. Hasil penelitian menunjukkan bahwa hasil uji t sebesar 3,364 > 1,697 dengan nilai signifikansi 0,00
The antibacterial efficacy of calcium hydroxide–iodophors and calcium hydroxide–barium sulfate root canal dressings on Enterococcus faecalis and Porphyromonas gingivalis in vitro
Get PDFBackground: A successful endodontic treatment is inseparable from the right choice of root canal dressing. The right choice of
medicaments would result in patient satisfaction. Enterococcus faecalis (E. faecalis) and Porphyromonas gingivalis (P. gingivalis)
are usually found in failed root canal treatments. Calcium hydroxide is a gold standard dressing that creates an alkaline environment
in the root canal and has a bactericidal effect. Commercially, there are calcium hydroxide dressings with supporting additions,
including calcium hydroxide–iodophors (CH–iodophors) and Calcium hydroxide–barium sulfate (CH–barium sulfate). Purpose: This
study aimed to compare the antibacterial efficacy between CH–iodophors and CH–barium sulfate root canal dressings on E. faecalis
and P. gingivalis. Methods: CH–iodophors and CH–barium sulfate were obtained commercially. E. faecalis and P. gingivalis were
obtained from stock culture taken from the root canal of failed endodontic treatment. E. faecalis and P. gingivalis were cultured in
Petri dishes, and for each bacterium, 12 wells were made in the media. Six wells were used for the CH–iodophors group, and six wells
were used for the CH–barium sulfate group. CH–iodophors and CH–barium sulfate were deployed in the wells in E. faecalis and P.
gingivalis cultured media in the Petri dishes. After incubation, the inhibition zone diameters were measured. An independent t-test
was used for analysis, and the significance level was set at 5%. Results: There is a significant difference in the antibacterial efficacy
of CH–iodophors and that of CH–barium sulfate on E. faecalis and P. gingivalis (p = 0.00001). Conclusion: CH–iodophors have a
higher antibacterial efficacy than CH–barium sulfate on both E. faecalis and P. gingivalis
