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All Journal Prosiding Seminar Nasional Pascasarjana Proceeding of International Conference on Science, Education, and Technology
Emi Pudjiastuti
Universitas Negeri Semarang
Education

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Abstraksi Reflektif Matematis Mahasiswa PGSD Nuhyal Ulia; Stevanus Budi Waluya; Isti Hidayah; Emi Pudjiastuti
Prosiding Seminar Nasional Pascasarjana Vol. 4 No. 1 (2021)
Publisher : Pascasarjana Universitas Negeri Semarang

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Abstract

Kemampuan abstraksi reflektif sebagai kemampuan matematis untuk membantu menyelesaikan masalah matematika yang bersifat abstrak mempunyai indikator mampu menerapkan konsep, mampu membuat hubungan antar konsep untuk membentuk makna baru dan mampu memanipulasi objek abstrak matematika. Melalui penelitian deskriptif kualitatif bertujuan mendeskripsikan profil abstraksi reflektif mahasiswa PGSD. Hasil penelitian menyimpulkan bahwa kemampuan abstraksi reflektif mahasiswa PGSD mahasiswa belum tampak mampu menerapkan konsep dan mampu membuat hubungan antar konsep untuk membentuk makna baru dengan baik meskipun mereka mampu memanipulasi objek abstrak matematika. Sedangkan pada level abstraksi reflektif, mahasiswa sudah menunjukkan karakteristik level rekognisi dan abstraksi struktural namun untuk level representasi dan kesadaran struktural belum banyak muncul. Sehingga perlunya menerapkan apersepsi, scaffolding dan model pembelajaran untuk meningkatkan kemampuan abstraksi reflektif mahasiswa dan perlunya melaksanakan pembelajaran bermakna dengan strategi pembelajaran student centered agar konsep yang disampaikan dapat dipahami dengan baik.
The Influence Of Mathematical Modeling Learning Towards Complex Problem Solving Nuhyal Ulia; Stevanus Budi Waluya; Isti Hidayah; Emi Pudjiastuti
International Conference on Science, Education, and Technology Vol. 8 (2022)
Publisher : Universitas Negeri Semarang

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Complex problem solving (CPS) as a new paradigm in solving problems is one often he the ten soft skills that need to be possessed in facing the Industrial Revolution 4.0 and even becomes essential because it ranks at the top of the list of job requirements in the 21st century. The CPS indicators include (1) collecting information systematically, (2) diagnosing problems by integrating the most relevant information, (3) finding potential solutions by building an appropriate model of the problem structure, and (4) determining solutions and implementing them. Mathematical modeling as a model of teaching mathematics aims to read, interpret, formulate and solve specific problems. The steps of learning Mathematical modeling consist of the identification stage, the stage of determining the mathematical model, the stage of determining the solution of the model, and the interpretation of the model solution. This study aimed to examine the effect of mathematical modeling learning on CPS. This study uses a test technique with data analysis techniques paired sample t-test. The results showed an effect of Mathematical modeling learning on CPS, which was indicated by the difference in the CPS abilities of elementary school teacher candidates before and after mathematical modeling learning. From the results of the SPSS test, the value of sig. (2-tailed): 0.000 < 0.005 on the paired sample t-test results so that Ha is accepted, meaning there are differences in CPS before and after mathematical modeling learning. Mathematical modeling learning has a role in helping elementary school teacher candidates to solve complex problems.
Co-Authors Isti Hidayah Nuhyal Ulia Nuhyal Ulia, Nuhyal St. Budi Waluya