The effects of prior encodings of manipulatives (red and blue plastic chips) on children's ability to use them as representations of quantity were tested. First graders (N = 73) were assigned to four conditions in which the encoding of plastic chips was experimentally manipulated. All children then participated in an addition activity that relied…

Although games--including board games, video games, and Massive Multiplayer Online Games--have garnered significant attention in recent years for their impact on educational outcomes, a primary focus of this interest is the transfer of knowledge from game to nongame settings. Building on this literature, our research explores how game designs that…