Research supported by a U.S. Public Health Service fellowship grant and by grant No. 01368-04 from the National Institute of Child Health and Human Development.

Earlier studies found that recall scores of information central to the task increased with age while incidental information recall scores remained constant. This study repeated the earlier ones modifying procedures of instructions, testing, and schedule of recall. Also, it tested the effect of labeling pictorial stimuli. The sample of 253 children…

To study the development of selective attention in children a paradigm was developed in which certain features of the stimulus were designated as relevant for task performance while others were defined as incidental. Performance on the central task was assessed as well as later recall of information about the incidental stimuli, and these two…