期刊
JOURNAL OF EXPERIMENTAL CHILD PSYCHOLOGY
卷 237, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jecp.2023.105765
关键词
Working memory; Reasoning by exclusion; Logical inference; Object representations; Representational uncertainty
Reasoning by exclusion allows children to retroactively assign an identity to incomplete object representations, but this ability incurs some cognitive cost.
Reasoning by exclusion allows us to form more complete representations of our environments, filling in inaccessible information by ruling out known alternatives. In two experiments (Experiment 1: N = 34 4- to 6-year-olds; Experiment 2: N = 85 4- to 8-year-olds), we examined children's ability to use reasoning by exclusion to infer the identity of an unknown object and investigated the role of working memory in this ability. Children were asked to encode a set of objects that were then hidden, and after a brief retention interval children were asked to select the identity of the object hidden in one of the locations from two alternatives. On some trials, all the images were visible during encoding, so selecting the correct identity when probed required successful working memory storage and retrieval. On other trials, all but one of the images was visible during encoding, so selecting the correct identity when probed also required maintaining a representation of an unknown object in working memory and then using reasoning by exclusion to fill in the missing information retroactively to complete that representation by ruling out known alternatives. To investigate the working memory cost of exclusive reasoning, we manipulated the working memory demands of the task. Our results suggest that children can use reasoning by exclusion to retroactively assign an identity to an incomplete object representation at least by 4 years of age but that this ability incurs some cognitive cost, which eases
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