Article Per Year (5 Year)
p-Index From 2021 - 2026
0.408
P-Index
This Author published in this journals
All Journal Natural Science Education Research (NSER)
Herlina Mulyastuti
Unknown Affiliation
Biochemistry, Genetics & Molecular Biology Education Physics

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

Found 2 Documents
Search

 1 
VALIDITAS POWERPOINT KONTEKS PANTAI JUMIANG SEBAGAI SUMBER BELAJAR IPA MATERI EKOLOGI DAN KEANEKARAGAMAN HAYATI Imroatur Rosida; Ana Yuniasti Retno Wulandari; Herlina Mulyastuti; Siti Eneng Sururiyatul Mu’aziyah
Natural Science Education Research Vol 9, No 1 (2026): Natural Science Education Research
Publisher : Program Studi Pendidikan IPA, Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/nser.v9i1.33066

Abstract

This study aims to determine the level of validity of PowerPoint presentations in the context of Jumiang Beach on ecology and biodiversity material. This study applies a quantitative descriptive approach that focuses on the validity test [material experts and media experts]. The subjects in this study were two science education lecturers at Trunojoyo University, Madura. The research instrument was a validation sheet for material experts, which measured aspects of the harmony and integrity of the material and clarity of presentation, while the validation sheet for media experts measured aspects of media design and relevance and usefulness of the media. Based on the validation results, the validity of the material from PowerPoint presentations in the context of Jumiang Beach obtained an average score of 95%, classified as very valid, while the validity of the media obtained an average score of 94%, classified as very valid. Thus, PowerPoint presentations in the context of Jumiang Beach can be applied as a relevant learning resource for students on ecology and biodiversity material.
VALIDITAS MATERI: PPT HASIL KAJIAN KONTEKS RUJAK KELANG PADA MATERI KLASIFIKASI MAHKLUK HIDUP Della Septya Feransyah; Ana Yuniasti Retno Wulandari; Herlina Mulyastuti; Siti Eneng Sururiyatul Mu’aziyah
Natural Science Education Research Vol 9, No 1 (2026): Natural Science Education Research
Publisher : Program Studi Pendidikan IPA, Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/nser.v9i1.34011

Abstract

This study aims to examine the validity of the material presented in a PowerPoint developed from the rujak kelang context on the topic of living things classification. The study employed a descriptive quantitative approach focusing on the validity assessment conducted by a subject-matter expert. The research instrument used was a material validation questionnaire that evaluated three aspects: material feasibility, language feasibility, and presentation feasibility. The validation data were analyzed using descriptive analysis techniques based on the percentage of expert assessment scores. The results showed that the material validity of the rujak kelang context PowerPoint obtained an average score of 94%, which falls into the very valid category. This indicates that the PowerPoint developed from the rujak kelang context can be used as a contextual learning resource to strengthen students’ understanding of the concept of living things classification and to support the implementation of the Merdeka Curriculum.
Co-Authors Ana Yuniasti Retno Wulandari Della Septya Feransyah Imroatur Rosida Siti Eneng Sururiyatul Mu’aziyah