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van der Goot, Marloes H.; Tomasello, Michael; Liszkowski, Ulf – Child Development, 2014
This study investigated how great apes and human infants use imperative pointing to request objects. In a series of three experiments (infants, N = 44; apes, N = 12), subjects were given the opportunity to either point to a desired object from a distance or else to approach closer and request it proximally. The apes always approached close to the…
Descriptors: Infants, Animals, Nonverbal Communication, Proximity
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Berger, Sarah E.; Adolph, Karen E.; Kavookjian, Alisan E. – Child Development, 2010
Using a means-means-ends problem-solving task, this study examined whether 16-month-old walking infants (N = 28) took into account the width of a bridge as a means for crossing a precipice and the location of a handrail as a means for augmenting balance on a narrow bridge. Infants were encouraged to cross from one platform to another over narrow…
Descriptors: Infants, Problem Solving, Task Analysis, Psychomotor Skills