PENERAPAN ASESMEN PORTOFOLIO DAN PENGARUHNYA TERHADAP TINGKAT SELF REGULATION PESERTA DIDIK PADA ELEMEN GAMBAR MODE DI KELAS XI TATA BUSANA 1 SMK NEGERI 3 KEDIRI

IMPLEMENTATION OF PORTFOLIO ASSESSMENT AND THIS IMPACT AT STUDENTS LEVEL OF SELF REGULATION ON DESIGN MODE IN CLASS OF XI TATA BUSANA 1 SMK NEGERI 3 KEDIRI

Penelitian ini bertujuan untuk mengetahui hasil belajar dan tingkat self regulation peserta didik melalui penerapan asesmen portofolio. Penelitian ini merupakan penelitian deskriptif kuantitatif dengan pendekatan pre-eksperimental design jenis one-shot case study. Penelitian ini dilaksanakan di SMK Negeri 3 Kediri pada bulan September tahun ajaran 2024/2025. Sampel pada penelitian ini adalah peserta didik kelas XI Tata Busana 1, sejumlah 35 peserta didik. Data dalam penelitian ini diperoleh melalui penilaian hasil belajar dan self regulation dengan menggunakan instrumen penelitian berupa lembar penilaian portofolio dan lembar penilaian self regulation. Penelitian ini menggunakan teknik analisis statistik deskriptif.

Hasil penelitian ini membuktikan bahwa: (1) hasil belajar peserta didik melalui penerapan asesmen portofolio memperoleh nilai rata- rata kelas 86,7 dengan persentase ketuntasan hasil belajar 97% dalam kriteria sangat baik, dan (2) tingkat self regulation peserta didik melalui penerapan asesmen portofolio mencapai kriteria sangat baik dimana 100% peserta didik memperoleh skor self regulation dengan kriteria baik dan sangat baik. Temuan pada penelitian ini adalah dalam penerapan asesmen portofolio di kelas XI Tata Busana 1 SMK Negeri 3 Kediri pada materi menerapkan figure berpakaian diperoleh hasil belajar dengan kriteria ketuntasan sangat baik. Serta tingkat self regulation dengan kriteria baik dan sangat baik.

This research aims to find out  the learning outcomes and the level of students self regulation through the implementation of portfolio assessment. This research is a quantitative descriptive research with pre-experimental design approach of one shot case study type. This research was implemented at SMKN 3 Kediri in September of the 2024/2025 academic year. The sample of this research were students class of XI Tata Busana 1, totally 35 students. The data in this research were obtained through the assessment of learning outcomes and self regulation using research instruments in the form of portfolio assessment sheets and self regulation assessment sheets.This research used descriptive statistical analysis technique.

The result of this research prove that: (1) the learning outcomes of students through the implementation of portfolio assessment obtained class average score of 86.7 witht percentage of learning completeness 97%, and (2) the level of students self regulation through the implementation of portfolio assessment reached very good criteria with percentage 100% of students obtained self regulation scores with good and very good criteria. The findings of this study are the implementation of portfolio assessment in the class of XI Tata Busana 1 SMK Negeri 3 Kediri on the material of applying figure dressing obtained learning outcomes reached very good completeness criteria. And the level of self regulation reached good and very good criteria.