Combining diverse methods in a single study raises a problem: What should be done when the findings of one method of investigation conflict with those of another? The authors illustrate this problem using an example in which three study phases--quantitative, qualitative, and intervention--are applied. The findings from the quantitative phase did…

The Program of Systematic Evaluation (PSE), which began as an attempt to explore the instructional dimensions of multimedia, has evolved into the most comprehensive set of experimental multimedia studies exploring the varied dimensions of cognitive load theory as they relate to the design of effective and efficient visual learning environments for…

Traditional conceptions of talent generally emphasise the construction of threshold values and the development of relatively unitary abilities, and this approach still dominates talent development programmes for elite sport. Most researchers on high ability, however, now favour domain-specific, multidimensional conceptions of ability that stress…