PENGEMBANGAN INTRUMEN ASESMEN UNJUK KERJA PADA MATERI GEOMETRI SEKOLAH MENENGAH PERTAMA

RIVO PANJI YUDHA, . (2021) PENGEMBANGAN INTRUMEN ASESMEN UNJUK KERJA PADA MATERI GEOMETRI SEKOLAH MENENGAH PERTAMA. Doktor thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

The purpose of this study was to develop a performance assessment instrument on subject matter of geometric through the many facet rasch model approach. Data were collected from 100 students on a small scale and 250 students on a large scale in junior high schools using 3 raters. The performance assessment instrument in the form of a rubric is used to assess the student's process of working on the questions, each question has a different rubric. The Rasch Many Faceted Measurement Model (MFRM) is used to analyze data by looking at three aspects, namely the facet person, rater agreement, and difficulty domain using the Facet program. For the facet person, the rater separation ratio was 4.96, while the reliability of the separation index was 2.15 which indicates that the assessors are separated reliably. The stratum index is 3.21 which indicates that there are three strata of rater severity that differ statistically in the sample of these 4 raters. The rater agrement obtained the reliability of the rater separation of 0.87 and the correlation between each assessor and the other ranged between 0.40 and 0.63, indicating adequate agreement among the raters in assessing test participants with their level of competence. The Difficulty Domain on the variable maps shows that the hard to soft range is from about +1 to −1 logit. Obviously, the ratings are not as bad, but the spread looks good considering there are 4 ratings. At the level of instrument practicality using the Glicman formula obtained from the T score of each rater I of 58, rater IX obtained a T score of 58.61, and from rater IV the lowest T score was 50.03 and it can be said that in general it is considered practical by the teachers. (rater) in assessing the practicality level of the instrument. ********** ujuan dari penelitian ini adalah mengembangkan instrumen asesmen unjuk kerja pada materi pelajaran geometri melalui pendekatan model many facet rasch. Data dikumpulkan dari 100 siswa skala kecil dan 250 siswa skala besar di sekolah menengah pertama dengan menggunakan 3 penilai. Instrumen asesmen unjuk kerja berupa rubrik digunakan untuk menilai proses siswa mengerjakan soal yang masing-masing soal memiliki rubrik yang berbeda. Model Rasch Many Faceted Measurement Model (MFRM) digunakan untuk menganalisis data dengan melihat tiga aspek yaitu facet person, rater agreement, dan domain kesulitan menggunakan program Facet. Untuk segi orang, rasio pemisah penilai adalah 4.96, sedangkan keandalan indeks pemisah adalah 2.15 yang menunjukkan bahwa penilai dipisahkan dengan andal. Indeks strata 3,21 yang menunjukkan bahwa terdapat tiga strata tingkat keparahan yang berbeda secara statistik pada sampel dari 4 penilai tersebut. Kesepakatan penilai memperoleh reliabilitas pemisahan penilai sebesar 0,87 dan korelasi antara masing-masing penilai dengan yang lainnya berkisar antara 0,40 dan 0,63, yang menunjukkan kesesuaian yang memadai di antara penilai dalam menilai peserta tes dengan tingkat kompetensinya. Domain Kesulitan pada peta variabel menunjukkan bahwa kisaran keras hingga lunak adalah dari sekitar +1 hingga −1 logit. Memang ratingnya tidak seburuk itu, tapi spreadnya terlihat bagus mengingat ada 4 rating. Pada tingkat kepraktisan instrumen menggunakan rumus Glicman diperoleh dari nilai T masing-masing penilai I sebesar 58, penilai IX memperoleh nilai T sebesar 58.61, dan dari penilai IV nilai T paling rendah adalah 50.03 dan dapat dikatakan bahwa secara umum hal tersebut dianggap praktis oleh para guru. (penilai) dalam menilai tingkat kepraktisan instrumen.

Item Type: Thesis (Doktor)
Additional Information: 1). Dr. Soeprijanto, M.Pd. ; 2). Dr. Dinny Devi Triana, M.Pd.
Subjects: Pendidikan > Pendidikan
Pendidikan > Teori, Penelitian Pendidikan
Sains > Matematika
Divisions: PASCASARJANA > S3 Penelitian Dan Evaluasi Pendidikan
Depositing User: Users 8826 not found.
Date Deposited: 26 Jan 2021 11:56
Last Modified: 26 Jan 2021 11:56
URI: http://repository.unj.ac.id/id/eprint/12496

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