基于STEM的物理素养科学课程的有效性和可靠性

Khoirul Bashooir, Supahar Supahar
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引用次数: 61

摘要

本研究是基于STEM学习物理的科学素素性表现发展研究的一部分。本研究的目的是揭示内容的有效性、经验观察仪器断言和之前组织的基于STEM的科学素量表现的可靠性。该仪器由多项选择观察和测试表开发。观测表的内容有效性分析使用了Aiken的系数V,而测试仪器的内容有效性则通过Lawshe的CVI分析。以IRT为基础的经验仪器可靠性测试。观测表的可靠性是由ICC决定的。本研究的结果表明,(1)专题论文和自我评估的观察表具有有效的正确性,有效的系数为V Aiken 0.75,有效的可靠性为alpha > 0.8和有效的ICC。(2)测试仪器已被证明是现实的,用于高中级学习者(- 0.7至6.7)与CVI=1和INFIT MNSQ相匹配的Rasch模型。基于这项研究,基于stemmic science的绩效评估可以使用。关键词:内容有效性、经验验证、表现表现、科学素养、STEM知识教学工具基于stemabstractctsit这项研究的目的是揭示基于STEM的科学科学表现评估的有效性。一种仪器进行了观测表和多选测试。这张观测表的有效性由艾肯多年来的coeffication揭示。由当地人验证指数(CVI)展示的多选择测试的有效性。多选择测试的实证有效性和可靠性由used响应理论分析项目揭示。这张观测表的可靠性由used ICC揭示。这项研究的结果是来自开发仪器的验证和经验测试的验证。从分数分数和自我评价来看,这张表已经有效,艾肯的V值超过了0.75的标准。分数rubric的可靠性是阿尔法可靠性> 0.8和国际刑事法庭的卓越表现。作者测试的有效性是用CVI和MNSQ INFIT值与Rasch模型匹配。基于TIC和SEM graphs,笔试是允许使用适度的高级类别(-0.7到6.7)。基于高学历的科学知识评估材料已授权使用。Keywords:满足有效性,经验有效性,绩效评估,科学素养,STEM
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Validitas dan reliabilitas instrumen asesmen kinerja literasi sains pelajaran fisika berbasis STEM
Penelitian ini merupakan bagian dari penelitian pengembangan asesmen kinerja literasi sains berbasis STEM pada pembelajaran fisika. Tujuan dari penelitian ini adalah untuk mengungkapkan validitas isi, validitas empiris, dan reliabilitas instrumen asesmen kinerja literasi sains berbasis STEM yang sebelumnya telah disusun. Instrumen yang dikembangkan berupa lembar pengamatan dan tes pilihan ganda. Analisis validitas isi dari lembar pengamatan menggunakan Koefisien V oleh Aiken sedangkan validitas isi instrumen tes dianalisis dengan menggunakan CVI (Content Validity Index) oleh Lawshe. Validitas empiris reliabilitas instrumen tes diestimasi dengan IRT (Item Response Theory). Reliabilitas lembar pengamatan ditentukan dengan ICC (Item Correlation Coefficient). Hasil dari penelitian ini menunjukan bahwa (1) Lembar pengamatan berupa rubrik penskoran dan penilaian diri  terbuktivalid dengan koefisien  V Aiken 0,75 dan reliabel dengan koefisien Reliabilitas Alfa > 0,8 dan ICC yang Excellent. (2) Instrumen tes terbukti realiabel untuk digunakan pada peserta didik dengan kategori sedang sampai dengan tinggi (-0,7 sampai dengan 6,7 ) dengan CVI=1 dan INFIT MNSQ sesuai model Rasch. Berdasarkan hasil penelitian tersebut maka asesmen kinerja Literasi Sains berbasis STEMlayak digunakan.Kata kunci:validitas isi, validitas empiris, asesmen kinerja, literasi sains, STEM VALIDITY AND RELIABILITY INSTRUMENT OF SCIENTIFIC LITERACY PERFORMANCE ASSESSMENT IN PHYSICS TEACHING BASED ON STEMAbstractThis research is part of the development of scientific literacy performance assessment based on STEM in teaching physics. The aim of this research is to reveal the validity (content and also empiric) and reliability of scientific literacy performance assessment instrument based on STEM. The kind of instruments were developed are observational sheet and multiple choice test. The content validity of observational sheet was revealed by used the Aiken’s V Coefficient. The content validity of multiple choice tests was revealed by used Content Validity Index (CVI) which proposed by Lawshe. The empirical validity and reliability of multiple choice tests was revealed by used Item Response Theory Analysis. The reliability of observational sheet was revealed by used ICC (Item Correlation Coefficient) Analysis. The results of this study are the validity from the contents and empirical trials from the developed instruments. The observation sheet from scoring rubric and self-assessment has been valid with Aiken’s V value that exceeds the standard of 0,75. The reliability of the scoring rubric has Alfa Reliability> 0.8 and Excellent of ICC. Validity values from The written test is shown with CVI of 1 and the MNSQ INFIT value which match to the Rasch model. Based on the TIC and SEM graphs, the written test is stated to be reliable for use in students with moderate to high categories (-0.7 to 6.7). STEM-based Science Literacy performance assessment with caloric material is appropriate to use.Keywords: content validity, empirical validity, performance assessment, scientific literacy, STEM
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