In response to the wide-scale proliferation of "the cone of learning"--a fanciful retention chart confounded with Dale's Cone of Experience--the authors make four major claims debunking this fantasy and provide documentary evidence to support these claims. The first claim is that the data in the mythical retention chart do not make…

Critics have been attempting to debunk the mythical retention chart at least since 1971. The earliest critics, David Curl and Frank Dwyer, were addressing just the retention data. Beginning around 2002, a new generation of critics has taken on the illegitimate combination of the retention chart and Edgar Dale's Cone of Experience--the corrupted…

The authors are attempting to set the record straight regarding the sources frequently cited in the literature of the mythical retention chart and the corrupted Dale's Cone. They point out citations that do not actually connect with relevant works; provide correct citations of sources that are often cited erroneously; add references for overlooked…

This article provides an overview of research in the Learning Sciences from a Design Research perspective, as it has been framed in Singapore by the National Institute of Education (NIE). The initial research agenda is considered in the light of challenges and the subsequent re-casting of objectives, based on the working out of a tripartite…

Discusses the role that technology must play in schools to be effective in changing the nature of students' learning. The relationship between schools, society, and technology is examined; the traditional research approach is described as inappropriate; and new design experiments that use successive refinement to improve innovative instructional…