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All Journal Jurnal Sains dan Pendidikan Fisika Journal of Sustainable Economic and Business
Irmayanty, Irmayanty
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Physics Social Sciences

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PENGEMBANGAN INSTRUMEN HASIL BELAJAR FISIKA PADA PESERTA DIDIK SMA NEGERI 1 PANGKAJENE Irmayanty, Irmayanty
Jurnal Sains dan Pendidikan Fisika Vol 14, No 3 (2018): JURNAL SAINS DAN PENDIDIKAN FISIKA
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (646.322 KB) | DOI: 10.35580/jspf.v14i3.10121

Abstract

Penelitian ini bertujuan untuk mengembangkan instrumen hasil belajar fisika yang valid secara teoretik dan empirik pada ranah kognitif. Penelitian ini merupakan jenis Penelitian dan Pengembangan (Research and Development) dengan tahapan yakni, menyusun spesifikasi tes, menulis soal tes, menelaah soal tes, menelaah soal tes, melakukan uji coba tes, menganalisis butir soal tes, memperbaiki tes, merakit tes, melaksanakan tes, dan menafsirkan hasil tes. Subjek uji coba instrumen yaitu peserta didik kelas XI MIA 1, XI MIA 4, XI MIA 5 dan XI MIA 8 di SMA Negeri 1 Pangkajene. Instrumen yang dikembangkan dapat mengukur empat ranah kognitif yaitu mengingat, memahami, menerapkan dan menganalisis. Terdiri atas 29 indikator yang dikembangkan dari 7 kompetensi dasar. Validasi teoretik oleh dua pakar menghasilkan koefisien validasi isi sebesar 0,82 sehingga dinyatakan bahwa instrumen konsisten dan valid dari segi isi. Hasil validasi empirik menunjukkan bahwa terdapat 51 butir soal yang valid pada materi Keseimbangan dan Dinamika Rotasi, Elastisitas dan Hukum Hooke, Fluida Statik, Fluida Dinamik, Suhu dan Kalor, Teori Kinetik Gas dan Termodinamika. Hasil uji coba empirik menunjukkan reliabilitas instrumen sebesar 0,894. Kesimpulannya instrumen tes hasil belajar fisika yang dikembangkan valid secara teoretik serta valid dan reliabel secara empirik.
Identification of Consumer Purchase Interests and Their Influence on Purchase Decisions for Wardah Skin Care Products Irmayanty, Irmayanty; Romadhon, Amin
Journal of Sustainable Economic and Business Vol. 2 No. 1 (2025): Journal of Sustainable Economic and Business (JOSEB)
Publisher : ARE Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70550/joseb.v2i1.69

Abstract

Objectives: This study aims to examine the effect of brand image and product quality on purchase intention and consumer purchase decisions for Wardah skincare products. It also explores the role of purchase intention as a mediating factor.Methodology: A quantitative research design using Structural Equation Modeling Partial Least Squares (SEM-PLS) was employed to analyze data collected from 100 Shopee users who purchased Wardah products. The data was processed using SmartPLS version 3.0 software.Findings: The research found that both brand image and product quality have a significant and positive impact on purchase intention. Furthermore, purchase intention serves as an intervening variable that mediates the influence of brand image and product quality on purchase decisions. A positive brand image and high product quality increase the likelihood of a consumer making a purchase decision.Conclusion: The study concludes that Wardah’s brand image and product quality are critical factors in shaping consumers’ purchase intentions and decisions. By strengthening these two elements, Wardah can enhance customer loyalty and improve overall business performance in the competitive skincare market.  
Co-Authors Romadhon, Amin