Article Per Year (5 Year)
p-Index From 2019 - 2024
0.408
P-Index
This Author published in this journals
All Journal Berkala Ilmiah Pendidikan Fisika JRST (Jurnal Riset Sains dan Teknologi)
Yeni Rima Liana
UNNES
Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Physics

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
The Development of HOTS Test Instrument of Thermodynamics Law for Senior High School Yeni Rima Liana; Suharto Linuwih; Sulhadi Sulhadi
Berkala Ilmiah Pendidikan Fisika Vol 8, No 2 (2020): JUNI 2020
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/bipf.v8i2.8493

Abstract

The main analysis in developing assessment instruments is reliability and validity. A validity test is carried out to determine the appropriateness instrument that will be developed, both construction validity and content validity. The reliability test is to determine the level of consistency of the instrument that has been developed. This research was conducted to develop the HOTS ability to test items for high school students. The grid test instruments are arranged based on competence and HOTS indicators, which are then used to arrange items. The test instrument consisted of ten question items relating to the HOTS Thermodynamic Law problem, which included: 1) analyzing the magnitude of engine efficiency, work, heat, and internal energy changes, 2) evaluating Carnot's efficiency, and 3) creating a heat engine. The assessment of the instrument HOTS test obtained Aiken's V score in the range of 0.83 to 0.94, which is in the valid criteria. The validated instrument was piloted in 141 science grade XI student in High School 2 Batang, at Batang Regency, Central Java. The level difficulty of the Polytomous data was analyzed using the QUEST program for classical analysis and PARSCALE 4 for modern analytical theory based on the Partial Credit Model (PCM). The results of data analysis of the experimental items show that of the ten-question items, all are compatible with PCM. The reliability of the test instrument is 0.84, and the item difficulty level is in the range of 0.83 to 1.22. Information functions and Standard Error Measurement (SEM) indicate that test questions developed reliably to measure HOTS students' ability with an average category in -1.9 <θ <+1.7 logit scale with SEM ± 0.5.
Analisis Anomali Bouguer Data Gaya Berat Studi Kasus di Kota Lama Semarang Yeni Rima Liana; Tri Maria Magdalena Wea; Wihdatus Syarifah; Supriyadi Supriyadi; Khumaedi Khumaedi
JRST (Jurnal Riset Sains dan Teknologi) Volume 4 N0. 2 September 2020: JRST
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1005.669 KB) | DOI: 10.30595/jrst.v4i2.6301

Abstract

Kota Lama Semarang merupakan salah satu obyek wisata sejarah yang berada di kota Semarang dan pada tahun 2016 masuk sebagai salah satu nominasi World Heritage Site. Penelitian ini bertujuan untuk melakukan analisis anomali Bouguer data gaya berat studi kasus di Kawasan Kota Lama Semarang untuk membantu mengidentifikasi struktur bawah permukaan tanah di Kawasan tersebut yang setiap tahunnya selalu terjadi banjir rob, genangan air dan penurunan permukaan tanah. Pengolahan data anomali Bouger menggunakan software Oasis Montaj 6.4.2. Tahap awal dilakukan koreksi pasang surut (TC) dan koreksi apungan (DC). Tahap berikutnya dilakukan koreksi lanjut yang terdiri dari koreksi udara  bebas (FAC) dan koreksi Bouguer (BC) hingga didapat kontur anomali udara bebas (FAA) dan kontur anomali Bouguer (BA). Nilai BA di Kawasan Kota Lama Semarang dengan interval 10,58 mGal s.d 11,65 mGal dengan koreksi FAC mempunyai rentang 1,48 mGal s.d 3,09 mGal, anomali FAA mempunyai rentang 11,1 mGal s.d 12,7 mGal serta koreksi gobs mempunyai rentang 978118,88 mGal s.d 978118,50 mGal. Kawasan dengan anomali Bouguer tinggi memiliki struktur batuan dengan densitas yang tinggi dibandingkan  dengan Kawasan lainnya. Nilai anomali Bouguer semakin ke utara semakin rendah, dan semakin ke selatan semakin tinggi.
Co-Authors Khumaedi Khumaedi Suharto Linuwih Sulhadi Sulhadi Supriyadi Supriyadi Tri Maria Magdalena Wea Wihdatus Syarifah