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Implementation of PJBL-STEM on Disaster Mitigation Sub-Matter to Improve Students' Problem Solving Ability

Journal of Environmental and Science Education · Vol. 5 No. 2 (2026) · pp. 142–149

DOI
10.15294/jese.v5i2.12555
ISSN
2775-2518, 2797-0175
Published
2026-10-27
Publisher
Universitas Negeri Semarang
Language
eng

Abstract

The purpose of this study was to determine the difference and level of problem solving ability of students between before and after applying learning with PjBL-STEM on disaster mitigation sub-materials. This research is an experimental research with one group pretest-posttest research design. The data collection methods used are test and documentation methods. The instruments used include pretest and posttest. The data were analyzed descriptively quantitatively. The results obtained are the application of PjBL-STEM on disaster mitigation sub-materials can improve students' problem solving skills. This is indicated by the results of the t-Test which shows the difference in results between before and after the application of PjBL-STEM, as well as the results of the N-Gain test of 0.57 with a moderate category. The level of students' problem solving abilities after implementing PjBL-STEM as a whole is in good criteria. The highest level of students' problem solving abilities is in the indicator of understanding the problem, while the lowest level is in the indicator of devising a plan.

Keywords

Collaboration network of the authors

29 authors · 87 co-authorship links · 12 across different organisations

Hover or tap a name to highlight its co-authors. Double-click to open the author's page.

  • State University of Semarang
  • Kasetsart University
  • Universitas Airlangga
  • University of Malaya
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
Show as table
Co-authorOrganisationJoint articles
Stephani Diah PamelasariState University of Semarang5
Sri NgabektiState University of Semarang2
Indah Urwatin WusqoState University of Semarang2
Andreas Priyono Budi PrasetyoState University of Semarang1
Jiraporn TeampanpongKasetsart University1
Muhamad TaufiqState University of Semarang1
Arka YanitamaState University of Semarang1
Erna Noor SavitriState University of Semarang1
Sudarmin SudarminState University of Semarang1
Endang Sri LestariUniversitas Airlangga1
Khamida HikmawatiAffiliation unknown1
Parmin ParminState University of Semarang1
Saiful RidloState University of Semarang1
Sri SukaesihState University of Semarang1
Kartika WidyaningrumState University of Semarang1
SumardaniAffiliation unknown1
Muhammad Ahganiya NaufalState University of Semarang1
Sri NgabektiState University of Semarang1
Ali SadikinState University of Semarang1
Indhah Ulya PermatasariState University of Semarang1
Woro SumarniState University of Semarang1
Sudarmin SudarminState University of Semarang1
Fonny Dameaty HutagalungUniversity of Malaya1
Langlang HandayaniState University of Semarang1
Sarwi SarwiState University of Semarang1
Norma EralitaState University of Semarang1
Fahrur RoziState University of Semarang1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/journals/jese/oai, first harvested 6 Nov 2026, last seen 8 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">Implementation of PJBL-STEM on Disaster Mitigation Sub-Matter to Improve Students' Problem Solving Ability</dc:title>
	<dc:creator xml:lang="en">Mahardhika, Lintang</dc:creator>
	<dc:creator xml:lang="en">Risa Dwita Hardianti</dc:creator>
	<dc:subject xml:lang="en">Project Based Learning</dc:subject>
	<dc:subject xml:lang="en">STEM</dc:subject>
	<dc:subject xml:lang="en">Problem Solving Ability</dc:subject>
	<dc:description xml:lang="en">The purpose of this study was to determine the difference and level of problem solving ability of students between before and after applying learning with PjBL-STEM on disaster mitigation sub-materials. This research is an experimental research with one group pretest-posttest research design. The data collection methods used are test and documentation methods. The instruments used include pretest and posttest. The data were analyzed descriptively quantitatively. The results obtained are the application of PjBL-STEM on disaster mitigation sub-materials can improve students' problem solving skills. This is indicated by the results of the t-Test which shows the difference in results between before and after the application of PjBL-STEM, as well as the results of the N-Gain test of 0.57 with a moderate category. The level of students' problem solving abilities after implementing PjBL-STEM as a whole is in good criteria. The highest level of students' problem solving abilities is in the indicator of understanding the problem, while the lowest level is in the indicator of devising a plan.</dc:description>
	<dc:publisher xml:lang="en">Universitas Negeri Semarang</dc:publisher>
	<dc:date>2026-10-27</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unnes.ac.id/journals/jese/article/view/12555</dc:identifier>
	<dc:identifier>10.15294/jese.v5i2.12555</dc:identifier>
	<dc:source xml:lang="en">Journal of Environmental and Science Education; Vol. 5 No. 2 (2025): Journal of Environmental and Science Education: September 2025; 142-149</dc:source>
	<dc:source>2775-2518</dc:source>
	<dc:source>2797-0175</dc:source>
	<dc:source>10.15294/jese.v5i2</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.unnes.ac.id/journals/jese/article/view/12555/6219</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 Journal of Environmental and Science Education</dc:rights>
</oai_dc:dc>