A mechanism for richer representation of videos for children: Calibrating calculated entropy to perceived entropy

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This study explores the use of the information theory entropy equation in representations of videos for children. The calculated rates of information in the videos are calibrated to the corresponding perceived rates of information as elicited from the twelve 7 to 10 year old girls who were shown video documents. Entropy measures are calculated for several video elements: set time, set incidence, verbal time, verbal incidence, set constraint, nonverbal dependence, and character appearance. As hypothesized, mechanically calculated entropy measure (CEM) was found to be sufficiently similar to perceived entropy measure (PEM) made by children so that they can be used ... continued below

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Kearns, Jodi August 2001.

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  • Kearns, Jodi

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Description

This study explores the use of the information theory entropy equation in representations of videos for children. The calculated rates of information in the videos are calibrated to the corresponding perceived rates of information as elicited from the twelve 7 to 10 year old girls who were shown video documents. Entropy measures are calculated for several video elements: set time, set incidence, verbal time, verbal incidence, set constraint, nonverbal dependence, and character appearance. As hypothesized, mechanically calculated entropy measure (CEM) was found to be sufficiently similar to perceived entropy measure (PEM) made by children so that they can be used as useful and predictive elements of representations of children’s videos. The relationships between the CEM and the PEM show that CEM could stand for PEM in order to enrich representations for video documents for this age group. Speculations on transferring the CEM to PEM calibration to different age groups and different document types are made, as well as further implications for the field of information science.

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  • August 2001

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  • June 24, 2008, 6:22 p.m.

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  • Jan. 23, 2014, 11:12 a.m.

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Kearns, Jodi. A mechanism for richer representation of videos for children: Calibrating calculated entropy to perceived entropy, dissertation, August 2001; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc5814/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .