<![CDATA[Abstract: This study aims to (1) produce a spiritual quality assessment product in thematic learning for grades IV and V in elementary school; (2) the level of validity and reliability of the spiritual attitude assessment instrument in integrated thematic learning in fourth and fifth grade elementary schools; (3) knowing the quality of spiritual attitude instruments in integrated thematic learning for grades IV and V in elementary school. This type of research is research and development (R&D), with a three-stage procedure, namely 1). preliminary study, 2). development, and 3). product testing. The research subjects were 145 students of class IV and V elementary school. The data collection technique used a questionnaire with a Likert scale instrument. The results showed that (1) the spiritual attitude assessment instrument in integrated thematic learning for grades IV and V in elementary school produced attitudes with a score scale of 1-5; (2) the spiritual attitude assessment instrument in integrated thematic learning in elementary grades IV and V SD has a validity level in the initial product trial of 0.19 rhit 0.63, then the validity of the instrument is low and invalid; the final product trial to 1 0.41 rhit 0.75, then the instrument validity is high; and the second final product trial was 0.31≤rhit 0.73, then the instrument validity was high. The reliability of the spiritual attitude assessment instrument in thematic learning is shown by = 0.88; 0.95 and = 0.95, then the research instrument is very reliable; (3) the validity of spiritual attitude instrument in integrated thematic learning of grades IV and V in elementary school is high and very reliable, then the quality of the spiritual attitude assessment instrument is good and feasible to use. Keywords: Development, assessment instruments, spiritual attitudes, thematics, elementary students.Abstrak: Penelitian ini bertujuan untuk (1) menghasilkan produk instrumen penilaian sikap spiritual dalam pembelajaran tematik terpadu kelas IV dan V di SD; (2) menentukan tingkat validitas dan reliabilitas instrumen penilaian sikap spiritual dalam pembelajaran tematik terpadu di SD kelas IV dan V SD; (3) mengetahui kualitas instrumen sikap spiritual dalam pembelajaran tematik terpadu kelas IV dan V di SD. Jenis penelitian ini adalah penelitian pengembangan atau research and development (R&D), dengan prosedur 3 tahap yaitu 1). studi pendahuluan, 2). pengembangan, dan 3). pengujian produk. Subyek penelitian adalah peserta didik kelas IV dan V SD sebanyak 145. Teknik pengumpulan data menggunakan angket dengan instrumen skala likert. Hasil penelitian menunjukkan bahwa (1) instrumen penilaian sikap spiritual dalam pembelajaran tematik terpadu kelas IV dan V di SD yang dihasilkan berupa skala sikap dengan skore 1-5; (2) instrumen penilaian sikap spiritual dalam pembelajaran tematik terpadu di SD kelas IV dan V SD memiliki tingkat validitas pada uji coba produk awal 0,19 ≤rhit ≥ 0,63, maka validitas instrumen rendah dan tidak valid; uji coba produk akhir ke 1 0,41 ≤rhit ≥0,75, maka validitas instrumen tinggi; dan uji coba produk akhir ke 2 0,31≤rhit ≥0,73, maka validitas instrumen tinggi. Reliabilitas instrumen penilaian sikap spiritual dalam pembelajaran tematik ditunjukkan melalui α= 0,88; 0,95 dan α= 0,95, maka instrumen penelitian sangat realibel; (3) validitas instrumen sikap spiritual dalam pembelajaran tematik terpadu kelas IV dan V di SD adalah tinggi dan sangat reliabel, maka kualitas instrumen penilaian sikap spiritual adalah baik dan layak digunakan.Kata Kunci: Pengembangan, instrumen penilaian, sikap spiritual, tematik terpadu, siswa SD ]]>
