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Direct linkJuan Wang; Xiaoqing Liu; Xiaoyan Wang; Xinglong Jin; Xinshi Wu; Song Xue – Journal of Chemical Education, 2023
This study aims to evaluate the laboratory safety perception, awareness and attitude of undergraduates toward the chemistry teaching laboratory by means of a self-administered questionnaire. The survey contains a sample size of 959 undergraduates in Tianjin University of Technology involving four schools. Instrument reliability and validity are…
Descriptors: Laboratory Safety, Laboratory Procedures, Chemistry, Reliability
Jacobson, Joseph L.; Jacobson, Sandra W. – Psychology in the Schools, 2004
In this paper, we respond to the criticisms and concerns raised by D.V. Cicchetti, A.S. Kaufman, & S.S. Sparrow (this issue) in their review of the PCB literature, with particular attention to our own research in Michigan. We agree that multiple comparisons and functional significance are issues that would benefit from more discussion.…
Descriptors: Statistical Analysis, Validity, Psychomotor Skills, Risk
