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All Journal IJCR (Indonesian Journal of Chemical Research) Jurnal Ners dan Kebidanan (Journal of Ners and Midwifery)
Sa'adah, Nafiatus
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Health Professions Materials Science & Nanotechnology Nursing Public Health

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Pengukuran Nilai pH Dan Kadar BOD (Biological Oxygen Demand) di Telaga Belahan Rejo Sebagai Pemantauan Kualitas Air Di Kabupaten Gresik Sa'adah, Nafiatus; Zummah, Atiqoh; Teguh Pribadi, Eko; Safarina, Nourma
INDONESIAN JOURNAL OF CHEMICAL RESEARCH Vol. 9 No. 2 (2024): Volume 9, ISSUE 2,2024
Publisher : Chemistry Department, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijcr.vol9.iss2.art8

Abstract

Belahan Rejo Lake is one of the water bodies in Gresik Regency. Belahan Rejo lake water is used by the surrounding community for daily purposes such as irrigation of rice fields, plantations, fisheries, domestic, and so on. Activities carried out by the community around Belahan Rejo lake can affect water quality and can even cause water pollution. The purpose of this study is to determine the quality of Belahan Rejo lake water in terms of pH and BOD (Biological Oxygen Demand) parameters. Analysis of pH values is carried out based on the SNI 6989.11: 2019 method using a pH meter tool while analysis of BOD levels is carried out based on the SNI 6989.72: 2009 method by looking at the value of dissolved oxygen using a DO meter tool. The results of the analysis show that Telaga Water in Belahan Rejo Hamlet, Gresik Regency is in accordance with quality standards with a pH value of 6.5 and Biological Oxygen Demand (BOD) levels of 5.1 mg/L.
Exploring The Correlation between Motivation, Anxiety, Stress, and Hockey Athletes’ Confidence Before Competition Sa'adah, Nafiatus; Widiyawati, Wiwik
Journal of Ners and Midwifery Vol 12 No 2 (2025)
Publisher : STIKes Patria Husada Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26699/jnk.v12i2.ART.p142-149

Abstract

Confidence is a key aspect of an athlete's performance, affecting motivation, performance, and stress management while competing. This study aimed to analyze the correlation between motivation, anxiety, and stress with the confidence of East Java hockey athletes before competition. The design of the study was cross-sectional. The population was 2024 PON hockey athletes aged 18-25 years totaling 60 athletes, namely 30 male athletes and 30 female athletes using the total sampling method. A quantitative descriptive research method was conducted with the DASS-42 questionnaire to measure anxiety and stress levels, as well as a questionnaire adopted for motivation and confidence. Of the 60 respondents, 73.3% of the athletes showed excellent motivation, while anxiety and stress ranged from normal to severe. Analysis using Spearman rank showed a significant correlation between motivation (p=0.001), anxiety (p=0.006), and stress (p=0.005) and self-confidence. Emphasize the importance of athletes' mental readiness in facing competition and the need for support and education regarding the management of psychological factors. Advice is given for coaches to strengthen mental support programs to increase athletes' confidence.
Co-Authors Atiqoh Zummah Eko Teguh Pribadi Safarina, Nourma Wiwik Widiyawati