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Proof of Unidimensionality in Cognitive Test Instrument for Evaluation Science Learning

Journal of Innovation in Educational and Cultural Research · Vol. 6 No. 1 (2025) · hlm. 16–24

DOI
10.46843/jiecr.v6i1.1897
ISSN
2722-9696, 2722-9688
Terbit
2025-01-09
Penerbit
Yayasan Keluarga Guru Mandiri
Bahasa
eng

Abstrak

Dimensional analysis to determine the construct that makes up the instrument as one of the requirements before the analysis is often ignored. Proving dimensions is important because the correct specification of the number of latent dimensions is directly related to construct validity and will determine the appropriate software, approach, and analysis model parameters. Therefore, this research aims to prove the unidimensionality of the Cognitive Test Instrument for Evaluation of Science Learning (CTIESL) through Exploratory Factor Analysis with the Principal Component Analysis Extraction Method. The instrument consisted of 13 essay questions and was responded to by science pre-service teachers who took the Science Learning Evaluation Course (98 people). The results of the analysis prove that the CTIESL has a unidimensional construct based on the Scree Test criteria (detected only one point before the elbow on the scree plot) and the cumulative percent of variance extracted, which shows a satisfactory value (79.232%) so that this instrument is proven only to measure one latent trait, namely the cognitive ability to evaluate the science learning. By fulfilling this unidimensional assumption, the psychometric characteristics of the CTIESL can be explored further with Item Response Theory: 1-Logistic Parameters, 2-Logistic Parameters, or 3-Logistic Parameters, depending on needs.

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  • State University of Semarang
  • University of Szeged
  • Universitas Jember
  • Sebelas Maret University
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  • Organisasi berbeda
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Rekan penulisOrganisasiArtikel bersama
Novi Ratna DewiState University of Semarang4
Amnan HarisAfiliasi tidak diketahui3
Erna Noor SavitriState University of Semarang2
Moh NasutionAfiliasi tidak diketahui2
Soedjatmiko SoedjatmikoAfiliasi tidak diketahui2
Purwono Sidik PermonoAfiliasi tidak diketahui2
Sungkowo SungkowoAfiliasi tidak diketahui2
Arif WidiyatmokoState University of Semarang2
Fidia FibrianaState University of Semarang2
Luthfi Hanum SaputriAfiliasi tidak diketahui2
Intan RahmaliaAfiliasi tidak diketahui2
Dita Seplita SariAfiliasi tidak diketahui2
Nihayatul BidayahAfiliasi tidak diketahui2
Tiara DamayantiAfiliasi tidak diketahui2
Ayu RahayuAfiliasi tidak diketahui2
Prasetyo ListiajiUniversity of Szeged2
Ani RusilowatiState University of Semarang1
Sri Rejeki Dwi AstutiUniversitas Jember1
Ika Nur FitrianiSebelas Maret University1
Arfatur RohmanState University of Semarang1
Mohammad Roy Thoriqul HaqState University of Semarang1
Melissa Salma DarmawanState University of Semarang1
Alfiana Nur Rosita MayantiAfiliasi tidak diketahui1
Luky HidayatAfiliasi tidak diketahui1
Lutfia Nur HadiyantiState University of Semarang1
Ni Luh TirtasariAfiliasi tidak diketahui1
Hendra FebriyantoAfiliasi tidak diketahui1
M Ahganiya NaufalAfiliasi tidak diketahui1
Aya SofiaAfiliasi tidak diketahui1
Surtini HadiAfiliasi tidak diketahui1
Riza ArifudinState University of Semarang1
Novi Ratna DewiAfiliasi tidak diketahui1
Rizki Nor AmeliaAfiliasi tidak diketahui1
Anggita AnggitaAfiliasi tidak diketahui1
Fariz Trida RidhoAfiliasi tidak diketahui1
Titik IsmiyatiAfiliasi tidak diketahui1

Afiliasi berasal dari OpenAlex; metadata OAI-PMH jurnal tidak memuatnya. Penulis tanpa ID OpenAlex dicocokkan berdasarkan nama, sehingga dua orang bisa tergabung atau satu orang bisa terpisah.

Sumber metadata: OAI-PMH (metadata jurnal) http://jiecr.org/index.php/jiecr/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Proof of Unidimensionality in Cognitive Test Instrument for Evaluation Science Learning</dc:title>
	<dc:creator>Amelia, Rizki Nor</dc:creator>
	<dc:creator>Aji, Septiko</dc:creator>
	<dc:creator>Kriswantoro, Kriswantoro</dc:creator>
	<dc:creator>Sukmasari, Hesty</dc:creator>
	<dc:subject xml:lang="en-US">exploratory factor analysis; principal component analysis; unidimensional</dc:subject>
	<dc:description xml:lang="en-US">Dimensional analysis to determine the construct that makes up the instrument as one of the requirements before the analysis is often ignored. Proving dimensions is important because the correct specification of the number of latent dimensions is directly related to construct validity and will determine the appropriate software, approach, and analysis model parameters. Therefore, this research aims to prove the unidimensionality of the Cognitive Test Instrument for Evaluation of Science Learning (CTIESL) through Exploratory Factor Analysis with the Principal Component Analysis Extraction Method. The instrument consisted of 13 essay questions and was responded to by science pre-service teachers who took the Science Learning Evaluation Course (98 people). The results of the analysis prove that the CTIESL has a unidimensional construct based on the Scree Test criteria (detected only one point before the elbow on the scree plot) and the cumulative percent of variance extracted, which shows a satisfactory value (79.232%) so that this instrument is proven only to measure one latent trait, namely the cognitive ability to evaluate the science learning. By fulfilling this unidimensional assumption, the psychometric characteristics of the CTIESL can be explored further with Item Response Theory: 1-Logistic Parameters, 2-Logistic Parameters, or 3-Logistic Parameters, depending on needs.</dc:description>
	<dc:publisher xml:lang="en-US">Yayasan Keluarga Guru Mandiri</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2025-01-09</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>http://jiecr.org/index.php/jiecr/article/view/1897</dc:identifier>
	<dc:identifier>10.46843/jiecr.v6i1.1897</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Innovation in Educational and Cultural Research; Vol 6, No 1 (2025); 16-24</dc:source>
	<dc:source>2722-9696</dc:source>
	<dc:source>2722-9688</dc:source>
	<dc:source>10.46843/jiecr.v6i1</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>http://jiecr.org/index.php/jiecr/article/view/1897/270</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2025 Journal of Innovation in Educational and Cultural Research</dc:rights>
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