Ria Hanewald

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A great deal of effort is expended creating multimedia systems to help students learn. Some amount of effort is spent evaluating learning outcomes for students who have used these systems. Yet very little effort is spent examining how students actually use the software or how learning outcomes are related to system design. In a study involving direct(More)
An important environmental problem facing industries such as railroads, utilities and telecommunications is the proper disposal of spent cadmium containing batteries. For example, spent industrial nickel-cadmium containing batteries are regulated in the United States as a hazardous waste. This means that industries that generate spent cadmium containing(More)
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