Infants' Reasoning About Objects in the Physical World
Kaufman, Lisa Ellen
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https://hdl.handle.net/2142/82246
Description
Title
Infants' Reasoning About Objects in the Physical World
Author(s)
Kaufman, Lisa Ellen
Issue Date
1998
Doctoral Committee Chair(s)
Baillargeon, Renée
Department of Study
Psychology
Discipline
Psychology
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Psychology, Experimental
Language
eng
Abstract
Experiments 6, 7, and 8 investigated what additional information 9-month-olds use to distinguish between movable and immovable objects. The results from these experiments revealed that 9-month-olds attended to both verticality and object width. Furthermore, with the addition of width, verticality was elaborated to take width into account. Thus, for 9-month-olds: (1) objects that were wide were perceived as immovable; (2) objects that had a salient vertical dimension and were very narrow were perceived as immovable; and (3) all others were perceived as movable.
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