Sparse labels, no problems: Infant categorization under challenging conditions.

Sparse labels, no problems: Infant categorization under challenging conditions.
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DOI:
10.1111/cdev.13818
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发表时间:
2022-11
期刊:
影响因子:
4.6
通讯作者:
Waxman, Sandra R.
Waxman, Sandra R.
中科院分区:
心理学1区
文献类型:
--
作者:
LaTourrette, Alexander;Waxman, Sandra R.

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标签促进婴儿的物体分类,即使标签是罕见的。到2岁时,婴儿会进行“半监督学习”(SSL),整合标记和未标记的样本来学习类别。然而,日常学习环境对婴儿的SSL提出了重大挑战。这里,两项研究(n = 74,51%女性,62%非西班牙裔白色,18%多种族,8%亚洲人,6%黑人,M年龄= 27.3个月,2018-2020年收集)实施了一种熟悉-新奇偏好范式,评估2岁奥尔兹的SSL,当(i)来自目标类别的样本与其他物体穿插在一起时(研究1,d = .67)和(ii)多个类别同时学习(研究2,d = .74)。研究结果表明,2岁奥尔兹的SSL足够强大,可以支持对象分类,尽管日常学习环境带来了巨大的挑战。
Labeling promotes infants' object categorization even when labels are rare. By 2 years, infants engage in “semi‐supervised learning” (SSL), integrating labeled and unlabeled exemplars to learn categories. However, everyday learning contexts pose substantial challenges for infants' SSL. Here, two studies (n = 74, 51% female, 62% non‐Hispanic White, 18% multiracial, 8% Asian, 6% Black, M age = 27.3 months, collected 2018–2020) implemented a familiarization‐novelty preference paradigm assessing 2‐year‐olds' SSL when (i) exemplars from the target category are interspersed with other objects (Study 1, d = .67) and (ii) multiple categories are learned simultaneously (Study 2, d = .74). The findings indicate 2‐year‐olds' SSL is robust enough to support object categorization despite substantial challenges posed by everyday learning contexts.
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