Elsner, Birgit Imitating step by step: a detailed analysis of 9- to 15-month-olds' reproduction of a three-step action sequence. [electronic resource] - Infant behavior & development May 2007 - 325-35 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1934-8800 Standard No.: 10.1016/j.infbeh.2006.10.001 doi Subjects--Topical Terms: Age FactorsFemaleGoalsHumansInfantInfant BehaviorLearningMalePerceptionReaction TimeTask Performance and Analysis