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    题名: Post-training flexibility in category learning
    作者: 楊立行
    Yang, Lee-Xieng;Chiang, Po-An
    贡献者: 心理系
    关键词: Category learning;Recognition;Category generalization
    日期: 2024-02
    上传时间: 2024-04-11
    摘要: Exemplar models of categorization, which assume that people make classification decisions based on item information stored in memory, typically assume that all of the exemplars are available and inform decision-making. However, in this study, we hypothesized that people may selectively emphasize subsets of exemplars, giving rise to individual differences in categorization. To verify this hypothesis, we adopted the partial-XOR category structure in Conaway and Kurtz (Psychonomic Bulletin & Review, 24, 1312–1323 2017), which has been evident to be able to induce two major response patterns in the transfer phase: the Proximity and XOR patterns. “Experiment 1” confirmed that these two patterns could be generated if participants were trained with only the exemplars of one category or the other. In “Experiment 2”, participants were asked to not only learn the category labels of all exemplars but also memorize the exemplars of only Category A (Condition A), only Category B (Condition B), or two categories (Condition AB) for a recognition test after the training phase of the categorization task. As expected, in the transfer phase, the participants tended to perform the XOR and Proximity patterns, when the exemplars of Category A and Category B were respectively targeted for the recognition test. The parameters of the SDGCM estimated by Bayesian inference for modeling the data of “Experiment 2” showed that the exemplar accessibility of Category A was larger than that of Category B for performing the XOR pattern and vice versa for performing the proximity pattern, hence verifying our hypothesis.
    關聯: Psychonomic Bulletin & Review
    数据类型: article
    DOI 連結: https://doi.org/10.3758/s13423-023-02451-7
    DOI: 10.3758/s13423-023-02451-7
    显示于类别:[心理學系] 期刊論文

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