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All Journal Jurnal Pendidikan Matematika Raflesia ABSIS : Mathematics Education Journal
Baki Swita
Universitas Bengkulu
Education Mathematics

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Evaluasi Formatif Berbantuan Komputer Untuk Meningkatkan Kemampuan Analisis Butir Soal Mahasiswa FKIP Universitas Bengkulu Zamzaili Zamzaili; Baki Swita
Jurnal Pendidikan Matematika Raflesia Vol 6, No 1 (2021)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jpmr.v6i1.14428

Abstract

Tujuan penelitian ini untuk mengetahui besar sumbangan efektif evaluasi formatif berbantuan komputer terhadap kemampuan analisis butir soal mahasiswa dan membandingkan rata-rata kemampuan analisis butir soal mahasiswa yang diajar dengan evaluasi formatif berbantuan komputer dengan rata-rata kelas diajar tanpa bantuan komputer. Teknik sampling yang digunakan adalah simple random sampling dengan jumlah sampel 32 mahasiswa untuk kelas eksperimen dan kelas kontrol. Instrumen penelitian adalah tes kemampuan analisis butir soal dengan indikator indek kesukaran, daya beda, validitas dan reliabilitas. Teknik analisis data menggunakan anava dua jalur. Hasil penelitian: (1) terdapat sumbangan yang efektif evaluasi formatif berbantuan komputer terhadap kemampuan analisis butir sebesar 52,47%; (2) terdapat pengaruh yang signifikan kemampuan statistik terhadap kemampuan analisis butir soal; dan (3) rata rata kemampuan analisis butir mahasiswa yang mengikuti evaluasi formatif berbantuan komputer (65,63) lebih tinggi dari rata-rata yang diajar tanpa bantuan komputer (59,13).
Analisis Perbedaan Tahapan Berpikir Geometri Ditinjau dari Pemahaman Konsep Geometri dan Evaluasi Formatif pada siswa SMP Zamzaili Zamzaili; Baki Swita; Saleh Haji
Absis: Mathematics Education Journal Vol 5, No 2 (2023): MEI 2023
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v5i1.3683

Abstract

The purpose of this study was to determine the effect of different stages of geometric thinking in terms of understanding the concept of geometry and formative evaluation. The sampling technique used in this study was simple random sampling, so that a sample of 90 students. The research instrument is a test of the ability to understand geometric concepts, a geometric thinking level test and formative evaluation. The panelist test was carried out using the Aiken and Hoyt formula to determine the validity and consistency of the instrument, while the test was to determine the difficulty index, discriminating power, validity and reliability of the instrument. The data analysis technique used discriminant analysis. The results showed that (1) understanding of geometric concepts significantly affected the differences in students' geometric thinking level achievement, (2) formative evaluation significantly influenced students' geometric thinking level achievement differences, (3) discriminant function equation D = -11.743 + 0.0034X1 + 0.125 X2 to predict the achievement of geometric thinking level, (4) The percentage accuracy of the discriminant function equation in predicting the difference in the achievement of students' thinking level is 98.9%.
Analisis Perbedaan Tahapan Berpikir Geometri Ditinjau dari Pemahaman Konsep Geometri dan Evaluasi Formatif pada siswa SMP Zamzaili Zamzaili; Baki Swita; Saleh Haji
Absis: Mathematics Education Journal Vol 5, No 1 (2023): MEI 2023
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v5i1.3683

Abstract

The purpose of this study was to determine the effect of different stages of geometric thinking in terms of understanding the concept of geometry and formative evaluation. The sampling technique used in this study was simple random sampling, so that a sample of 90 students. The research instrument is a test of the ability to understand geometric concepts, a geometric thinking level test and formative evaluation. The panelist test was carried out using the Aiken and Hoyt formula to determine the validity and consistency of the instrument, while the test was to determine the difficulty index, discriminating power, validity and reliability of the instrument. The data analysis technique used discriminant analysis. The results showed that (1) understanding of geometric concepts significantly affected the differences in students' geometric thinking level achievement, (2) formative evaluation significantly influenced students' geometric thinking level achievement differences, (3) discriminant function equation D = -11.743 + 0.0034X1 + 0.125 X2 to predict the achievement of geometric thinking level, (4) The percentage accuracy of the discriminant function equation in predicting the difference in the achievement of students' thinking level is 98.9%.
Co-Authors Haji, H Saleh Zamzaili Zamzaili