Who should call the tune?

Educational animation: Who should call the shots?

Despite the increasing popularity of animation for explaining dynamic subject matter, research shows it is not uniformly beneficial for learning. User control has been suggested as a way to enhance learning by ameliorating negative effects of animation. However, giving learners the responsibility for controlling how an animation presents its information does not always produce the anticipated b...

4 Gorenstein rings call the tune

Who should direct WHO?

ast week, member states of the World Health Organization (WHO) advanced another step in the nearly 1-year rigorous process of selecting its next director-general. Candidates for the position presented their vision of international health work and the role of this global health body. Having worked at WHO in a number of capacities in the area of infectious diseases, I know well that international...

who should do it?

background:     purpose:     methods:     results:     conclusion:

He who pays the piper calls the tune.

Previously instituted policies regarding prosthetic limb provision had been deemed dependable. A follow-up home visit study showed that 18 of 60 patients that had been provided with prostheses, did not make use of them. Analysis showed that three categories of patients made up the large majority of the non-users; double amputees, blind persons and those with psychiatric disorders. In order to a...