Pengujian Reliabilitas Instrumen Terhadap Variabel Kontinu Untuk Pengukuran Konsentrasi Klorofil- A Perairan

Dwi Haryo Ismunarti; Muhammad Zainuri; Denny Nugroho Sugianto; Suradi Widjaya Saputra

doi:10.14710/buloma.v9i1.23924

DOI: https://doi.org/10.14710/buloma.v9i1.23924

Pengujian Reliabilitas Instrumen Terhadap Variabel Kontinu Untuk Pengukuran Konsentrasi Klorofil- A Perairan

*Dwi Haryo Ismunarti - Departemen Oseanografi, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia

Muhammad Zainuri - Departemen Oseanografi, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia

Denny Nugroho Sugianto - Departemen Oseanografi, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia

Suradi Widjaya Saputra - Departemen Oseanografi, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia

BibTex Citation Data :

@article{BULOMA23924,
    author = {Dwi Ismunarti and Muhammad Zainuri and Denny Nugroho Sugianto and Suradi Widjaya Saputra},
    title = {Pengujian Reliabilitas Instrumen Terhadap Variabel Kontinu Untuk Pengukuran Konsentrasi Klorofil- A Perairan},
    journal = {Buletin Oseanografi Marina},
  volume = {9},
    number = {1},
    year = {2020},
    keywords = {instrumen penelitian; reliabilitas; Intraclass Correlation Coefficients},
    abstract = { Instrumen penelitian adalah alat ukur yang digunakan secara sistematis untuk mengumpulkan data penelitian. Hasil penelitian yang baik diperoleh jika instrumen yang digunakan valid dan reliabel. Reliabilitas instrumen menunjukkan ketepatan atau sejauh mana hasil pengukuran instrumen dapat direplikasi. Reliabilitas menjadi salah satu parameter penting dalam menentukan kualitas suatu instrumen. Penelitian ini bertujuan untuk memilih statistik uji yang paling tepat terhadap pengujian reliabilitas terhadap instrumen untuk konsentrasi klorofil-a perairan. Data konsentrasi klorofil-a perairan diperoleh dari dua instrumen yaitu : metode spektrofotometri dari 14 stasiun pengamatan di Teluk Semarang Jawa Tengah dan penginderaan jauh. Statistik uji yang paling tepat digunakan adalah  Intraclass Correlation Coefficients  (ICC). Nilai  ICC adalah rasio antara varians objek terhadap varians total. Hasil penelitian diperoleh nilai ICC = 0,83 artinya 83 % keragaman data disebabkan keragaman objek dalam hal ini stasiun penelitian. Tidak terdapat bias pengukuran konsentrasi klorofil-a dari kedua instrumen, karena reliabilitas kedua instrumen mendekati sempurna.      A research instrument is a measuring tool used systematically to collect the data. A good result of the research is obtained if the instrument is reliable. The reliability of the instrument showed accuracy on instrument measurement could be replicated. Reliability is one of the important parameters in determining the quality of the device. This study is aimed at selecting the most appropriate test of statistics in the reliability of the instrument for chlorophyll-a water concentrations  .   The data of chlorophyll-a waters concentration is gained from two instruments called spectrophotometric method from 14 observation stations in Semarang Bay, Central Java, and remote sensing  .   The best test statistic is the Intraclass Correlation Coefficients (ICC). The value on ICC is the ratio between the variance of the object at total variance. The results showed that ICC = 0.83, meaning that 83% of a variety of data is due to the diversity of objects in these research stations. There is no bias in measuring the chlorofil-a concentration using the two instruments because the reliability of the two devices is closely perfect  .     },
   issn = {2550-0015},   pages = {1--8}  doi = {10.14710/buloma.v9i1.23924},
    url = {https://ejournal.undip.ac.id/index.php/buloma/article/view/23924}
}

Citation Format:

Abstract

Instrumen penelitian adalah alat ukur yang digunakan secara sistematis untuk mengumpulkan data penelitian. Hasil penelitian yang baik diperoleh jika instrumen yang digunakan valid dan reliabel. Reliabilitas instrumen menunjukkan ketepatan atau sejauh mana hasil pengukuran instrumen dapat direplikasi. Reliabilitas menjadi salah satu parameter penting dalam menentukan kualitas suatu instrumen. Penelitian ini bertujuan untuk memilih statistik uji yang paling tepat terhadap pengujian reliabilitas terhadap instrumen untuk konsentrasi klorofil-a perairan. Data konsentrasi klorofil-a perairan diperoleh dari dua instrumen yaitu : metode spektrofotometri dari 14 stasiun pengamatan di Teluk Semarang Jawa Tengah dan penginderaan jauh. Statistik uji yang paling tepat digunakan adalah Intraclass Correlation Coefficients (ICC). Nilai ICC adalah rasio antara varians objek terhadap varians total. Hasil penelitian diperoleh nilai ICC = 0,83 artinya 83 % keragaman data disebabkan keragaman objek dalam hal ini stasiun penelitian. Tidak terdapat bias pengukuran konsentrasi klorofil-a dari kedua instrumen, karena reliabilitas kedua instrumen mendekati sempurna.

A research instrument is a measuring tool used systematically to collect the data. A good result of the research is obtained if the instrument is reliable. The reliability of the instrument showed accuracy on instrument measurement could be replicated. Reliability is one of the important parameters in determining the quality of the device. This study is aimed at selecting the most appropriate test of statistics in the reliability of the instrument for chlorophyll-a water concentrations. The data of chlorophyll-a waters concentration is gained from two instruments called spectrophotometric method from 14 observation stations in Semarang Bay, Central Java, and remote sensing. The best test statistic is the Intraclass Correlation Coefficients (ICC). The value on ICC is the ratio between the variance of the object at total variance. The results showed that ICC = 0.83, meaning that 83% of a variety of data is due to the diversity of objects in these research stations. There is no bias in measuring the chlorofil-a concentration using the two instruments because the reliability of the two devices is closely perfect.

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Keywords: instrumen penelitian; reliabilitas; Intraclass Correlation Coefficients

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In Vol 9, No 1 (2020): Buletin Oseanografi Marina

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