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Issue 2, 2016

Using Rasch measurement to validate an instrument for measuring the quality of classroom teaching in secondary chemistry lessons

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Abstract

This study intends to develop a standardized instrument for measuring classroom teaching and learning in secondary chemistry lessons. Based on previous studies and interviews with expert teachers, the progression of five quality levels was constructed hypothetically to represent the quality of chemistry lessons in Chinese secondary schools. The measurement instrument was revised from the Evaluation Scale of Effectiveness of Primitive System of Classroom Teaching (ESEPrSCT). 90 videotaped chemistry lessons were collected and measured to validate the instrument in the pilot and field stage. By means of Rasch modeling, the instrument consisting of 18 items with five response categories was finally validated in this study. The results provide the validity and reliability evidence for using this measurement instrument to assess the quality of chemistry lessons.

Article information


Submitted
05 Jan 2016
Accepted
10 Feb 2016
First published
10 Feb 2016

Chem. Educ. Res. Pract., 2016,17, 381-393
Article type
Paper
Author version available

Using Rasch measurement to validate an instrument for measuring the quality of classroom teaching in secondary chemistry lessons

P. He, X. Liu, C. Zheng and M. Jia, Chem. Educ. Res. Pract., 2016, 17, 381 DOI: 10.1039/C6RP00004E

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