Alves Cabral, Paulo
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Analysis of household electricity expenditures among residents of suco leuro, lospalos administrative post, lautem municipality Alves Cabral, Paulo; Correia, Pedro; Kristiani
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 7 No. 5 (2026)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol7iss5pp691-697

Abstract

In general, the population of Suco Leuro relies on electrical energy for daily activities, which is predominantly non-renewable and supplied by the state through the public utility company EDTL (Eletricidade de Timor-Leste). This electricity is purchased via prepaid systems at designated sales stations; however, consumers often overlook strategies for energy conservation. Therefore, this study aims to examine the patterns of electricity expenditure among households in Suco Leuro over a one-week period. This research was conducted to describe both the positive and negative effects observed in the field. The study employed a sample-based research design, involving 60 household heads as respondents in Suco Leuro, Lospalos Administrative Post, Lautem Municipality, during the 2023 academic year. The findings indicate that 100% of the population in Suco Leuro has had access to electricity since 2013 and has installed prepaid electricity meters. The analysis of the results shows that 28.3% of households consume between 2.1 and 9.45 kWh per week, 45% consume between 10.14 and 18.4 kWh per week, and 26.7% consume between 22.45 and 43.86 kWh per week. These findings suggest that higher electricity consumption is primarily influenced by the duration of appliance usage and the power capacity of electrical devices used by households.
Simulation-based learning using phet on the concept of series and parallel electrical circuits in secondary schools in timor-leste Kristiani; Correia, Pedro; Alves Cabral, Paulo; Tina Guterres, Isabel
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 7 No. 5 (2026)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol7iss5pp682-690

Abstract

The teaching methods employed by instructors can vary depending on learning objectives, student profiles, and available resources. Commonly used teaching methods include traditional or conventional approaches, demonstration methods, experimental methods, and others. This study implemented a PhET simulation-based teaching project on the concept of series and parallel electrical circuits: a study involving 12th-grade students majoring in Electrical Engineering at São João Bosco Secondary School in Venilale, Timor-Leste. The study aimed to investigate students’ learning outcomes following the PhET simulation-based instruction on series and parallel circuit concepts. To achieve this objective, a survey test instrument was employed. The test was administered to 34 students. The results indicated that the calculated t-value was greater than the critical t-value (t_calculated > t_table) or (23.63 > 2.035), demonstrating a significant difference before and after the use of PhET simulations in teaching the concepts of series and parallel electrical circuits. This had a positive impact on the development of students’ knowledge.
Identifying internship partner satisfaction in the chemistry teaching department at escola secundária geral pública 5 de maio de becora-academic year 2025 Correia, Pedro; Alves Cabral, Paulo; Kristiani, Kristiani; da Conceição Soares, Adriano; Referino Soares Ximenes, António; Ornai Neto, Policarpo
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 7 No. 5 (2026)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol7iss5pp675-681

Abstract

Academic internships constitute a fundamental component in the teacher training process at the Universidade Nacional Timor Lorosa’e (UNTL), as they provide students with opportunities to apply theoretical knowledge in real-world contexts and develop professional competencies. In this context, the Chemistry Teaching Department implements the internship program at Escola Secundária Geral Pública 5 de Maio de Becora, serving as a platform to offer students direct practical experiences and generate positive impacts on school partners. The main objective of this study was to identify the level of satisfaction among internship partners and analyze the factors influencing it, while providing recommendations to enhance the quality of future internship programs. This research employed a descriptive quantitative method. The study population consisted of 55 teachers who supervised the student interns. Data were collected using a five-point Likert scale questionnaire, based on 15 indicators for variable X (Pedagogical Practice II) and 15 indicators for variable Y (Satisfaction of Pedagogical Practice II Partners). The data were analyzed through descriptive statistics and Pearson correlation. The mean value of variable X (Pedagogical Practice II) was 62.22, while that of variable Y (Partner Satisfaction) was 59.69, reflecting a high level of satisfaction. Correlation analysis revealed a strong and positive relationship between variables X and Y, with a coefficient of r = 0.718 and a significance level of p < 0.001, indicating a substantial and meaningful association between interns’ competencies and partner satisfaction. The factors that contributed most to the level of satisfaction included preparation of materials, effective communication, responsibility, content mastery, and professional ethics. Internship partners also recommended conducting regular pre-internship orientations and strengthening communication between the department and partner schools. This study provides significant contributions for improving UNTL’s internship programs and may serve as a reference for future research in education, particularly in chemistry teaching. The obtained data offer a foundation for program development, as partner feedback determines both the validity and continuity of the program, supported by effective collaboration.