Penelitian ini bertujuan untuk mengetahui kelayakan produk berupa asesmen diagnostik berbasis cerita pendek sederhana. Produk ini berupa tes objektif dalam bentuk soal Asesmen Kompetensi Minimum (AKM) bervariasi yaitu terdapat 10 soal kognitif yang didalamnya terdapat dua teks cerita pendek dengan soal bervariasi (pilihan ganda, pilihan ganda kompleks, menjodohkan, isian dan uraian), selain itu terdapat 5 soal non kognitif. Alur penelitian ini menggunakan ADDIE yang memiliki lima tahapan yaitu Analyze, Design, Develop, Implement, and Evaluate. Subjek penelitian adalah siswa kelas V SDN 035 Tarakan tahun ajaran 2025 dengan jumlah siswa 25 peserta didik. Hasil validasi yang diperoleh secara keseluruhan nilai rata-rata yaitu 84% dengan persentase validasi ahli produk, ahli bahasa, ahli materi dan ahli praktisi. Hasil persentase validasi angket respon guru sebesar 83% dan persentase validasi angket respon siswa sebesar 83% dengan kategori sangat layak. Sedangkan Angket respon siswa kelas V-A dan V-B diperoleh nilai rata-rata persentase prolehan skor sebesar 80% dimana nilai tersebut dikategorikan sebagai kategori tertarik dan Angket respon guru kelas V-A dan V-B diperoleh nilai rata-rata persentase prolehan skor sebesar 96,5% dimana nilai tersebut dikategorikan sebagai kategori sangat tertarik
Kata kunci: Asesmen diagnostik, Kognitif, Non kognitif, Cerita Pendek, ADDIE

This study was designed to determine the feasibility of a product in the form of a simple short story-based diagnostic assessment. This product was an objective test in the form of varied Minimum Competency Assessment (AKM) questions, consisting of 10 cognitive questions with two short story texts with varied questions (multiple choice, complex multiple choice, matching, fill-in, and description). Also, there were 5 non-cognitive questions. This research flow utilized ADDIE, which has five stages: analyze, design, develop, implement, and evaluate. The research subjects were fifth-grade students of SDN 035 Tarakan in the 2025 school year, with 25 students. The validation result obtained as a whole average value was 84%, with a percentage of validation from product experts, linguists, material experts, and practitioner experts. The percentage of teacher response questionnaire validation was 83%, and the percentage of student response questionnaire validation was 83%, with a very feasible category. Meanwhile, the response questionnaire of class V-A and V-B students showed an average percentage score of 80%, and the value was categorized as an interested category, and the response questionnaire of class V-A and V-B teachers showed an average percentage score of 96.5%, and the value was categorized as a very interested category. Keywords: Diagnostic assessment, Non-cognitive, Short Story, ADDIE