Ahmad Fadli
Universitas Mataram

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Pengembangan Laboratorium Virtual Gelombang Bunyi Berbasis HTML5, CSS, Dan JavaScript Ahmad Fadli; Ni Nyoman Sri Putu Verawati; Jannatin 'Ardhuha
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.6474

Abstract

This development research aims to produce and test the validity and practicality of the product in the form of a sound wave virtual laboratory so that it can be used as a learning support. Sound wave is an abstract physics concept. The type of research used in this research is research and development with research design, namely research on the development of 4D models (Define, Design, Develop and Disseminate). The define stage includes initial and final analysis, user analysis and device requirements analysis. The design stage includes the initial design of the virtual laboratory, format selection and design improvements. The develop stage includes product creation, product validation, product revision, limited trials. The disseminate stage is carried out by distributing the virtual laboratory by uploading to the website the sound wave virtual laboratory which is developed based on HTML, CSS, and JavaScript. The validity of the virtual laboratory was calculated using CVI with the acquisition of expert validators and practitioner validators of 0.96 with valid criteria. While the reliability of the virtual laboratory is calculated using the percentage of agreement with the acquisition of expert validators and practitioner validators 92.06% in the reliable category. The results of the practicality of the virtual laboratory based on student responses showed results of 84.38% in the very practical category. Thus the sound wave virtual laboratory based on HTML 5, CSS, and JavaScript is valid and very practical to use to support high school physics learning.
Pengaruh Konten TikTok dan Influencer Marketing terhadap Keputusan Pembelian dengan Pendapatan sebagai Variabel Kontrol Didi Andri; Ahmad Fadli; Eko Pratandi; Muhammad Tareq Hanafi Majid
JMM UNRAM - MASTER OF MANAGEMENT JOURNAL Vol. 15 No. 1 (2026): JMM March 2026
Publisher : Faculty of Economics and Business University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jmm.v15i1.852

Abstract

This research is conducted to examine how influencer marketing and TikTok content impact the purchasing decisions of Generation Z in the Mataram City area, with income level as a controlled variable. The method applied is a quantitative approach of the causal associative type. The determination of the sample was conducted using purposive sampling techniques, involving 85 individuals from Generation Z in the city of Mataram who are active users of the TikTok application and have been exposed to promotions from influencer figures. Field data collection was conducted using a Likert scale questionnaire, which was then processed using multiple linear regression analysis with the aid of SPSS version 25 software. The research findings indicate the absence of a significant influence of the TikTok content variable on purchasing decisions, as shown by the significance value of 0.740 > 0.05. On the other hand, influencer marketing has a positive and significant impact on consumer decisions, as evidenced by a significance value of 0.001 < 0.05. Meanwhile, income, positioned as a control variable, proved to be the most dominant factor and had a significant influence on the decision to purchase, with a significance level of 0.000 < 0.05. Simultaneous testing shows that the combination of income, influencer marketing, and TikTok content has a significant impact on the decision-making process with a significance value of 0.000 < 0.05. Furthermore, the acquisition of an Adjusted R Square value of 0.903 means that 90.3% of the variation in purchasing decisions can be explained by the research model used.