@mastersthesis{eprintuntirta48448,
          author = {INDAH LASTARI SIREGAR},
            year = {2025},
          school = {UNIVERSITAS SULTAN AGENG TIRTAYASA},
           title = {PENGARUH MODEL PEMBELAJARAN
PROBLEM BASED LEARNING (PBL) TERINTEGRASI
LABORATORIUM VIRTUAL (PhET) DAN SELF-EFFICACY
TERHADAP KEMAMPUAN PEMECAHAN MASALAH IPA
DI SMPN 2 RANGKASBITUNG},
            note = {Kemampuan berpikir kritis dan pemecahan masalah merupakan keterampilan
esensial di abad ke-21. Namun, hasil evaluasi di SMPN 2 Rangkasbitung
menunjukkan rendahnya kemampuan siswa dalam aspek tersebut. Model
pembelajaran konvensional dinilai kurang efektif dalam meningkatkan
pemahaman dan keterampilan pemecahan masalah. Problem-Based Learning
(PBL) yang terintegrasi dengan laboratorium virtual PhET menjadi alternatif
inovatif yang dapat membantu siswa memahami konsep abstrak dalam sains,
khususnya energi},
        abstract = {Critical thinking and problem solving are essential skills in the 21st century.
However, the evaluation results at SMPN 2 Rangkasbitung showed the low ability
of students in these aspects. Conventional learning models are considered less
effective in improving understanding and problem-solving skills},
        keywords = {problem-based learning, PhET, self-efficacy, problem solving, science
problem-based learning, PhET, self-efficacy, pemecahan masalah,
IPA.},
             url = {https://eprints.untirta.ac.id/48448/}
}