Task interspersal is an academic material modification procedure implemented by adding a sequence of brief tasks prior to more difficult academic tasks. The purpose of this study was to investigate the effects of the interspersal procedure under both time-based (i.e., time allotted to complete task held constant) and task-based (i.e., number of…

Graphical representations (GRs) of the learning content are often used for instruction (Ainsworth, 2006). When used in learning technology, GRs can be especially useful since they allow for interactions across representations that are physically impossible, for instance by dragging and dropping symbolic statements into a chart that automatically…