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All Journal Bioscientist : Jurnal Ilmiah Biologi SCIENTIA JOURNAL : Jurnal Ilmiah Mahasiswa
Sepriana
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Social Sciences

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Pengaruh Kurs,Suku Bunga dan Inflasi Terhadap Return Saham Pada Perusahaan Consumer Good di BEI Sepriana; Simanjuntak, Jontro
SCIENTIA JOURNAL Vol 4 No 7 (2022): Volume 4 Nomor 7 2022
Publisher : LPPM Universitas Putera Batam

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Abstract

In this growing era, people do not only invest through savings, but many try to put their source of funds into stock investments on the Indonesia Stock Exchange. in BEI. The method that researchers use is a quantitative method. The population is consumer goods companies listed on the Indonesia Stock Exchange as many as 19 companies. The data collection technique uses the time series method and the data analysis technique uses multiple linear analysis which is assisted by a data processing tool, namely SPSS version 26. The results show that the exchange rate has a negative and significant effect on stock returns, interest rates have a positive and insignificant effect on stock returns. , Inflation has a positive and insignificant effect on stock returns. Simultaneously exchange rates, interest rates and inflation have a significant effect on stock returns. The result of the coefficient of determination (R2) is 11% and the remaining 89% is influenced by other factors not examined in this study.
The Utilization of the PlantNet Application in Biology Learning and Its Impact on Senior High School Students’ Learning Retention Sepriana; Chastanti, Ika; Nazliah, Rahmi
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19466

Abstract

This study aimed to determine students’ retention levels before and after the implementation of the PlantNet application and to analyze the effect of the PlantNet application on students’ retention in biology learning at SMA Negeri 1 Aek Natas. The study employed a quantitative approach with descriptive analysis. The research participants consisted of 61 tenth-grade students, including 31 students from class X2 and 30 students from class X3. The research instruments included a questionnaire measuring students’ perceptions of the use of the PlantNet application and a retention test designed to assess short-term retention, long-term retention, and conceptual understanding. The collected data were analyzed using percentage analysis to determine the achievement level of each indicator.The results indicated that the use of the PlantNet application was categorized as very good, with the ease-of-use indicator reaching 91.7% and the usefulness in learning indicator reaching 88.8%. Regarding student retention, short-term retention reached 83.4%, long-term retention reached 84.2%, and conceptual understanding reached 84.6%, all of which were classified as good. These findings suggest that the PlantNet application is not only easy to use and beneficial for biology learning but also contributes to strengthening students’ memory retention and improving their conceptual understanding of the learning material. Therefore, the integration of the PlantNet application has strong potential to serve as an effective instructional medium for enhancing students’ retention in biology learning.
Co-Authors Chastanti, Ika Jontro Simanjuntak, Jontro Nazliah, Rahmi