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Designing usable electronic text
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ISBN: 041524059X 9780415240598 Year: 2003 Publisher: New York (N.Y.): Taylor & Francis,

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Poor design and a failure to consider the user often act against the effectiveness in online communication. Designing Usable Electronic Text, Second Edition explores the human issues that underlie information usage and stresses that usability is the main barrier to the electronic medium's campaign to gain mass acceptance. The book is a revision of the successful First Edition with a new emphasis on the Web and hypertext design and their impacts. With the emergence of new uses of information, such as e-commerce and telemedicine, text presentation will take on a new and greater importance. Its focus on the design framework and its empirical approach make it a unique book.


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Current research in human-computer interaction
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Year: 1997 Publisher: Silver Spring American society for information science

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Understanding users : designing experience through layers of meaning
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ISBN: 1003026117 1003026117 1000848205 9780367459277 Year: 2023 Publisher: New York, NY : Routledge,

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Gender differentiated asset dynamics in Northern Nigeria
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Year: 2011 Publisher: Rome Food and Agriculture Organization of the United Nations

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Hypertext: a psychological perspective
Authors: --- ---
ISBN: 0134416430 0134416503 Year: 1993 Publisher: New York, N.Y. Ellis Horwood

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Agricultural Production, Dietary Diversity, and Climate Variability
Authors: --- ---
Year: 2014 Publisher: Washington, D.C., The World Bank,

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Nonseparable household models outline the links between agricultural production and household consumption, yet empirical extensions to investigate the effect of production on dietary diversity and diet composition are limited. Although a significant literature has investigated the calorie-income elasticity abstracting from production, this paper provides an empirical application of the nonseparable household model linking the effect of exogenous variation in planting season production decisions via climate variability on household dietary diversity. Using exogenous variation in degree days, rainfall, and agricultural capital stocks as instruments, the effect of production on household dietary diversity at harvest is estimated. The empirical specifications estimate production effects on dietary diversity using both agricultural revenue and crop production diversity. Significant effects of agricultural revenue and crop production diversity on dietary diversity are estimated. The dietary diversity-production elasticities imply that a 10 percent increase in agricultural revenue or crop diversity results in a 1.8 percent or 2.4 percent increase in dietary diversity, respectively. These results illustrate that agricultural income growth or increased crop diversity may not be sufficient to ensure improved dietary diversity. Increases in agricultural revenue do change diet composition. Estimates of the effect of agricultural income on share of calories by food groups indicate relatively large changes in diet composition. On average, a 10 percent increase in agricultural revenue makes households 7.2 percent more likely to consume vegetables and 3.5 percent more likely to consume fish, and increases the share of tubers consumed by 5.2 percent.


Book
Agricultural Production, Dietary Diversity, and Climate Variability
Authors: --- ---
Year: 2014 Publisher: Washington, D.C., The World Bank,

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Abstract

Nonseparable household models outline the links between agricultural production and household consumption, yet empirical extensions to investigate the effect of production on dietary diversity and diet composition are limited. Although a significant literature has investigated the calorie-income elasticity abstracting from production, this paper provides an empirical application of the nonseparable household model linking the effect of exogenous variation in planting season production decisions via climate variability on household dietary diversity. Using exogenous variation in degree days, rainfall, and agricultural capital stocks as instruments, the effect of production on household dietary diversity at harvest is estimated. The empirical specifications estimate production effects on dietary diversity using both agricultural revenue and crop production diversity. Significant effects of agricultural revenue and crop production diversity on dietary diversity are estimated. The dietary diversity-production elasticities imply that a 10 percent increase in agricultural revenue or crop diversity results in a 1.8 percent or 2.4 percent increase in dietary diversity, respectively. These results illustrate that agricultural income growth or increased crop diversity may not be sufficient to ensure improved dietary diversity. Increases in agricultural revenue do change diet composition. Estimates of the effect of agricultural income on share of calories by food groups indicate relatively large changes in diet composition. On average, a 10 percent increase in agricultural revenue makes households 7.2 percent more likely to consume vegetables and 3.5 percent more likely to consume fish, and increases the share of tubers consumed by 5.2 percent.

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