A recent study by Ponari, Norbury, and Vigliocco (2018), showed that emotional valence (i.e. whether a word evokes positive, negative, or no affect) predicts age-of-acquisition ratings and that up to the age of 8-9, children know abstract emotional words better than neutral ones. On the basis of these findings, emotional valence has been argued to…

Asking children to gesture while being taught a concept facilitates their learning. Here, we investigated whether children benefitted equally from producing gestures that reflected speech (speech-gesture matches) versus gestures that complemented speech (speech-gesture mismatches), when learning the concept of palindromes. As in previous studies,…

Tested the effectiveness of a 120-problem learning set for teaching simple classification skills to blind children, as compared to a general enrichment program administered to a matched control group. The learning set facilitated mastery of classification, indicating that this training can accelerate the acquisition of Piagetian concepts in…

The extremely popular "training" studies, virtually all of which have been devoted to the attempt to experimentally induce conservation in nonconserving subjects, were discussed with respect to the logic underlying the method and surrounding theoretical and methodological difficulties. (Author/SDH)