Tri , Santi (2025) PENGEMBANGAN E-LKPD MENGGUNAKAN TAHAPAN PROBLEM BASED LEARNING UNTUK MENINGKATKAN CRITICAL THINKING DAN PROBLEM SOLVING PESERTA DIDIK SEKOLAH DASAR. Masters thesis, UNIVERSITAS LAMPUNG.
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Abstract
Penelitian ini bertujuan untuk mendeskripsikan proses pengembangan e-LKPD menggunakan tahapan Problem Based Learning dan kevalidan, kepraktisan, serta keefektifannya dalam meningkatkan kemampuan critical thinking dan problem solving. Metode penelitian menggunakan R&D dan mengacu pada prosedur pengembangan Plomp yang terdiri dari Preliminary Research, Development or Prototyping Phase, Assesment Phase. Subjek penelitian terdiri dari 53 peserta didik di SDN 01 Pesawahan. Instrumen yang digunakan berupa lembar observasi, angket, dan instrumen tes. Lembar observasi untuk analisis kebutuhan, angket untuk memperoleh data kevalidan, kepraktisan, dan respon peserta didik, serta instrumen tes pretest dan posttest untuk mengukur efektivitas. Hasil penelitian dan pengembangan menunjukkan bahwa 1) e-LKPD valid berdasarkan hasil validasi ahli materi, bahasa dan media memperoleh nilai rata-rata indeks aiken holistik sebesar 0,868 kategori “sangat valid”. 2) e-LKPD praktis berdasarkan hasil uji praktikalitas pendidik dan peserta didik dengan persentase 97,86% dan 90,86% interpretasi “sangat praktis”. 3) e-LKPD efektif berdasarkan hasil uji independent sample t-test critical thinking diperoleh (Sig. 2-tailed) sebesar 0,038 (kurang dari 0,001). Hal ini menunjukkan bahwa kemampuan critical thinking dan problem solving peserta didik di kelas eksperimen lebih tinggi dibandingkan kelas kontrol. E-LKPD yang menggunakan tahapan Problem Based Learning efektif untuk meningkatkan kemampuan critical thinking peserta didik pada kelas eksperimen dengan rata-rata n-gain 0,5779 menunjukkan efektivitas “sedang”. Hasil perhitungan effect size sebesar 0,587 menunjukkan kategori “besar” artinya e LKPD yang menggunakan tahapan Problem Based Learning memiliki pengaruh yang besar dalam meningkatkan kemampuan critical thinking dan problem solving peserta didik Sekolah Dasar. Kata Kunci: E-LKPD, Critical Thinking, Problem Solving, problem Based Learning This study aims to describe the process of developing e-LKPD using the Problem Based Learning stages and its validity, practicality, and effectiveness in improving critical thinking and problem-solving skills. The research method uses R&D and refers to Plomp's development procedure, which consists of Preliminary Research, Development or Prototyping Phase, and Assessment Phase. The research subjects consisted of 53 students at SDN 01 Pesawahan. The instruments used were observation sheets, questionnaires, and test instruments. Observation sheets were used for needs analysis, questionnaires were used to obtain data on validity, practicality, and student responses, and pretest and posttest instruments were used to measure effectiveness. The results of the research and development indicate that 1) the e-LKPD is valid based on the results of expert validation of content, language, and media, with an average Aiken Holistic Index score of 0.868, categorized as “highly valid.” 2) The e-LKPD is practical based on the results of practicality tests conducted by educators and students, with percentages of 97.86% and 90.86%, interpreted as “highly practical.” 3) The e-LKPD is effective based on the results of the independent sample t-test for critical thinking, yielding a significance level (Sig. 2-tailed) of 0.038 (less than 0.001). This indicates that the critical thinking and problem-solving abilities of students in the experimental class are higher than those in the control class. The e-LKPD using the Problem-Based Learning approach is effective in enhancing students' critical thinking skills in the experimental class, with an average n-gain of 0.5779, indicating “moderate” effectiveness. The effect size calculation of 0.587 falls into the “large” category, meaning that the e-LKPD using the Problem-Based Learning approach has a significant impact on improving students' critical thinking and problem-solving skills in elementary schools. Keywords: E-LKPD, Critical Thinking, Problem Solving, problem Based Learning
| Item Type: | Thesis (Masters) |
|---|---|
| Subjects: | ?? 300 ?? ?? 370 ?? ?? 372 ?? |
| Divisions: | FKIP > Prodi Magister Keguruan Guru SD |
| Depositing User: | . . Yulianti |
| Date Deposited: | 27 Oct 2025 02:10 |
| Last Modified: | 27 Oct 2025 02:10 |
| URI: | http://digilib.unila.ac.id/id/eprint/91981 |
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