RETRACTED: Communicative gestures facilitate problem solving for both communicators and recipients

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the Editor-in-Chief.All authors retract this article. Barbara Tversky believes that the research results cannot be relied upon; Sandra C. Lozano takes full responsibility for the need to retract this article.