Fourth graders were asked to read a text and either to fill in a compare-and-contrast graphic organizer, answer a set of structured questions, take notes, or simply read the text. Both the graphic organizer and questioning groups outperformed the read-only group on a comprehension test (d = 1.24 and 1.22, respectively) and a memory test (d = 0.54…

Students learned about electrical circuits in an arcade-type game consisting of 10 levels. For example, in one level students saw two circuits consisting of various batteries and resistors connected in series or parallel, and had to indicate which one had a higher rate of moving current. On levels 1-9, all students received a correct tone and had…

A "science of e-learning" involves the scientific investigation of how people learn in electronic learning environments. Three elements of a science of e-learning are: a) "evidence"--a base of replicated findings from rigorous and appropriate research studies; b) "theory"--a research-based theory of how people learn in electronic learning…