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All Journal International Journal of Management, Entrepreneurship, Social Science and Humanities (IJMESH) Journal of English as a Foreign Language Teaching and Research (JEFLTR) Advanced Journal of STEM Education (AJOSED) People and Behavior Analysis (PBA) Education Policy and Development (EPD) Journal of Elementary and Secondary School (JESS) Journal of Healthcare and Biomedical Science (JHBS)
Alberto D. Yazon
Laguna State Polytechnic University
Arts Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Effectiveness of PEARL Mobile Application in Enhancing the Academic Performance of Students in English Ariane Pearl P. Medel; John Frederick B. Tesoro; Alberto D. Yazon; Cristopher F. Mendoza; Karen A. Manaig
Journal of Elementary and Secondary School Vol. 2 No. 2 (2024): Journal of Elementary and Secondary School
Publisher : Research Synergy Foundation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31098/jess.v2i2.2281

Abstract

This research aimed to test the effectiveness of the Packeted Electronically Assisted Reading Leaflets (PEARL) mobile application in enhancing students’ English academic performances. The researcher gained knowledge of declining reading comprehension skills, including Grade 7 reading levels, using the Philippine Informal Reading Inventory (PHIL-IRI), the official reading material from the Department of Education. However, due to the COVID-19 pandemic, the administration of this reading inventory has been put on hold due to its inapplicability. This study was conducted with Grade 7 Calamba Bayside Integrated School students from the Division of Calamba as respondents. A quasi-experimental technique, and administration of pretest, formative, and posttest, were used in this study. As for the data collection, the respondents' pretest, formative test, and post-test scores in the experimental and controlled groups were recorded weekly. There are 22 active students participated in the study through random sampling. Next, data analysis was performed using the T-test and Pearson’s formulas, respectively. Based on these findings, the researcher concluded that there was a significant difference between the pretest and posttest mean scores of the two groups, which indicates that the PEARL application is practical in enhancing English academic performance. Although there was only a medium-sized effect regarding the significant differences in the scores of the experimental group, it is concluded that several factors, like poor internet connectivity and technical difficulties, should be considered. The researcher also suggested that crafting instructional materials such as PEARL could improve students’ English proficiency.
Performance of Dye-Sensitized Solar Cell Utilizing the Extract of Cassava (Manihot Esculenta) Leaves, Guava (Psidium Guajava) Leaves, and Mango (Mangifera Indica) Leaves Kathleen E. Espina; Alberto D. Yazon; Karen D. Manaig; Sherwin B. Sapin; Lerma P. Buenvinida
Journal of Healthcare and Biomedical Science Vol. 3 No. 1 (2024): December Issue
Publisher : Research Synergy Foundation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31098/jhbs.v3i1.2660

Abstract

Dye- sensitized solar cell (DSSC) is a third-generation solar cells that utilize natural dyes from leaves extract to absorb sunlight and generate electricity. This study aimed to investigate the performance of DSSCs using the leaf extracts of cassava, guava, and mango as natural dyes in terms of UV-Vis absorption and energy output. The experimental method was applied in which the researcher constructed three DSSCs, with each treatment involving the same fabrication and construction. The UV-Vis Spectrum peak value and UV absorption was obtained from UV-Vis Analysis. A multimeter was used to record each voltage to determine the energy output produced by the DSSCs and the commercial solar cell. One-way ANOVA was used to determine the significant difference in the UV absorption of the natural dyes. To determine the significant difference between the three treatments and control in pairwise comparison in terms of energy output, One-Way ANOVA Analysis and Post Hoc Tukey were used. The results showed no significant difference in UV absorption among the three natural dyes. This result signified that the same pigment content gave almost the same UV absorbance at a common UV spectrum peak wavelength. DSSCs with natural dyes produce less electrical energy than commercial solar cells. There was a significant difference in the energy output between the three treatments and the control. DSSCs utilizing natural dyes produced electrical energy in smaller amounts.
Co-Authors Adelita D. Castillo Ariane Pearl P. Medel Chester Alexis C. Buama Consorcia S. Tan Cristopher F. Mendoza Glen P. Cortezano Haide J. Galang Jermaine D. Alonzo John Frederick B. Tesoro John Frederick B. Tessoro Julieta R. Magpantay Karen A. Manaig Karen Ang-Manaig Karen D. Manaig Kathleen E. Espina Lerma P. Buenvenida Lerma P. Buenvinida Manilyn M. Galarosa Marcial Bandoy Marcial M. Bandoy Monique E. Malabayabas Ofelia Maningas Raymond D. Gomez Rolando Maningas Sherwin B. Sapin Ting Wai Ching Adrian Ushas Richel R. Rino