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Direct linkKraftmakher, Yaakov – Physics Teacher, 2006
The aim of this paper is to show how the noise reduction by signal accumulation can be accomplished with a data acquisition system. This topic can be used for student projects. In many cases, the noise reduction is an unavoidable part of experimentation. Several techniques are known for this purpose, and among them the signal accumulation is the…
Descriptors: Student Projects, Acoustics, Data Collection, Science Experiments
Charles, C. M. – 1998
This book is designed to provide knowledge about educational research and to help graduate students in education organize and conduct their own research. No prior familiarity with the principles, procedures, or terminology of educational research is required. Chapters are: (1) "Educational Research: Its Nature and Rules of Operation"; (2) "Types…
Descriptors: Action Research, Correlation, Data Analysis, Data Collection
