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He, Peng; Zheng, Changlong; Li, Tingting – Chemistry Education Research and Practice, 2021
This study aims to develop and validate a new instrument for measuring chemistry teachers' perceptions of Pedagogical Content Knowledge for teaching Chemistry Core Competencies (PCK_CCC) in the context of new Chinese chemistry curriculum reform. The five constructs and the initial 17 items in the new instrument were contextualized by the PCK…
Descriptors: Test Construction, Test Validity, Foreign Countries, Teacher Evaluation
Tosun, Cemal – Chemistry Education Research and Practice, 2019
The aim of this study was to develop a Scientific Process Skills Test (SPST) in the context of ''Matter and its Nature''. It was investigated whether there was a predictive effect of demographical features and participating out-of-school learning opportunities across the 7th and 8th grade students' Scientific Process Skill (SPS) levels.…
Descriptors: Science Process Skills, Science Tests, Test Construction, Scientific Concepts
Vishnumolakala, Venkat Rao; Southam, Daniel C.; Treagust, David F.; Mocerino, Mauro – Chemistry Education Research and Practice, 2016
Pedagogical practitioners who emphasise active learning in undergraduate chemistry courses widely use the Student Assessment of Learning Gains (SALG) instrument to measure students' perceptions of their gains in knowledge and skills in chemistry. Although numerous studies have reported SALG results in support of successful pedagogical…
Descriptors: Chemistry, Science Instruction, College Science, Student Attitudes
Schönborn, K. J.; Höst, G. E.; Lundin Palmerius, K. E. – Chemistry Education Research and Practice, 2015
As the application of nanotechnology in everyday life impacts society, it becomes critical for citizens to have a scientific basis upon which to judge their perceived hopes and fears of 'nano'. Although multiple instruments have been designed for assessing attitudinal and affective aspects of nano, surprisingly little work has focused on…
Descriptors: Molecular Structure, Technology, Test Construction, Test Validity
Heredia, Keily; Xu, Xiaoying; Lewis, Jennifer E. – Chemistry Education Research and Practice, 2012
The Particulate Nature of Matter and Chemical Bonding Diagnostic Instrument (Othman J., Treagust D. F. and Chandrasegaran A. L., (2008), "Int. J. Sci. Educ.," 30(11), 1531-1550) is used to investigate college students' understanding of two chemistry concepts: particulate nature of matter and chemical bonding. The instrument, originally…
Descriptors: College Students, Diagnostic Tests, Chemistry, Factor Analysis
Stamovlasis, Dimitrios; Tsitsipis, Georgios; Papageorgiou, George – Chemistry Education Research and Practice, 2012
In this study, structural equation modeling (SEM) is applied to an instrument assessing students' understanding of the particulate nature of matter, the collective properties and physical changes, such as melting, evaporation, boiling and condensation. The structural relationships among particular groups of items were investigated. In addition,…
Descriptors: Structural Equation Models, Student Evaluation, Scientific Concepts, Chemistry