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Ruiz, Michael J. – Physics Education, 2019
A video of darkening scenery during the 15 min prior to totality of the 21 August 2017 total solar eclipse is presented and discussed. The luminances of the scenes at 1 min intervals are obtained by averaging pixel data of stills from the video. The experimental results are compared to the theoretical model of uniform radiance from the exposed…
Descriptors: Video Technology, Astronomy, Intervals, Science Instruction
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Hillenbrand, James M.; Gayvert, Robert T. – Journal of Speech, Language, and Hearing Research, 2005
The purpose of this paper is to describe a software package that can be used for performing such routine tasks as controlling listening experiments (e.g., simple labeling, discrimination, sentence intelligibility, and magnitude estimation), recording responses and response latencies, analyzing and plotting the results of those experiments,…
Descriptors: Intervals, Word Recognition, Visual Perception, Sentences