“…Yet we know very little about how collaboration during encoding affects memory. Historically, cognitive research on memory has focused on individuals working in isolation, and group memory has been studied largely within the domains of sociology, social psychology, and anthropology (see, e.g., Echterhoff, Higgins, & Levine, 2009;Halbwachs, 1950Halbwachs, /1980Hirst & Manier, 2008;Wegner, 1987;Wertsch, 2002). Recent cognitive research has begun to examine how collaboration affects memory (Barnier & Sutton, 2008;Harris, Paterson, & Kemp, 2008;Weldon, 2001); however, this effort has been directed mainly at understanding collaborative retrieval.…”