4～7岁儿童依据对繁殖的朴素理解区分植物和非生物的认知发展
Cognitive Development of Distinctions between Plants and Nonliving Objects in Terms of Reproduction in 4- to 7-Year-Olds
查看参考文献22篇
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文摘
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以152名4～7岁儿童为被试,采用访谈和判断选择任务探查他们对植物繁殖的认知.结果发现,①4～7岁儿童对植物繁殖的认知可分为不理解、部分理解和确切理解三种水平,儿童在入学后7岁能依据对植物繁殖的朴素理解区分植物与非生物;②通过降低材料难度和任务形式要求的难度,可以有效地发掘年幼儿童的认知潜能,即大部分6岁学前儿童就能够理解植物繁殖;③任务难度的改变对处于部分理解水平的5、6儿童影响更为显著:使他们在选择任务上的认知成绩优于访谈任务,对有明显果实和种子植物的认知优于无明显果实和种子植物的认知. |
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其他语种文摘
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Introduction The examination of younger childrenfe ability to distinguish living from nonliving things in terms of essential biological properties such as growth, illness, autonomous action, inheritance and reproduction is all through the primary content of the naive theory of biology, Past studies have shown that preschool children already can acquire under?standings of these biological traits, and develop ontolbgieal distinctions and coherent causal explanatory frameworks. How-ever, these studies focused mostly on the animal-inanimate distinction, rather than the distinction between animate objects (including both animals and plants) and inanimate objects. Interpretations of these studies may also be confounded by such methodological differences as task difficulty, scoring criteria, choice of stimuli, type of data emphasized, and number of subjects used. The present study thus tried to examine younger children's conception of plant reproduction by varying stimulus and task types so as to map out children's development of categorical knowledge. Method A total of 152 4- to 7-year-olds from two kindergartens and two elementary schools in Yinchuan city partici?pated in the study. The subjects were equally distributed in each of the two genders and in each of the four age groups. The stimuli used were realistic color photographs of plants ( half with and half without visible fruits and seeds) and nonliving things. Interviews and a picture-choice task were both used to measure children's concept of plant reproduction and their ability to distinguish plants from nonliving things. 4 (age; 4, 5, 6, and 7 years) x2 (plants vs. nonliving things) design was adopted.Results Statistically significant results were obtained for the main effects associated with the two independent varia?bles but not for the interaction effect. Children's understanding of nonliving things was significantly better than that of plants. Also, significant difference was found between every age group except between 5- and 6-year-olds. That is, there was rapid development from 4 to 5 years, a slow development from 5 to 6 years, and a rapid development again from 6 to 7 years. Nearly two-thirds of the 7-year-olds could appreciate the reproduction of plants by pointing out the growth cycle of "plant-seed-plant. " At the same time, they could also distinguish plants from nonliving things in terms of reproduction. The result also showed that children aged 6 could appreciate the reproduction of plants with visible fruits and seeds. It seems reasonable to conclude that 6-year-olds had a mature grasp of the reproduction of plants with visible fruits and seeds. Conclusion Four conclusions may be drawn from these results. First, three levels of understanding (none, partial and good) are identifiable with 4- to 7-year-olds, with 7-year-olds being able to distinguish plants from nonliving objects in terms of reproduction. Second, it seems easier to map out the developmental potential of younger children by reducing stimulus and task difficulty, so that most of the 6-year-olds can acquire recognition of plant reproduction. Third, variations in task requirements may significantly influence the conceptual understanding in terms of plant reproduction among 5- and 6- year-olds; the same may not be true for either older or younger children. Finally, children show better cognitive performance with picture-choice tasks than interview tasks, and in plants with fruits and seeds than those without. |
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来源
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心理学报
,2006,38(6):849-858 【核心库】
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关键词
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学前儿童
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朴素生物学理论
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繁殖
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地址
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1.
北京师范大学认知神经科学与学习研究所, 北京, 100875
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中国科学院心理研究所, 北京, 100101
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语种
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中文 |
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ISSN
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0439-755X |
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学科
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社会科学总论 |
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基金
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宁夏大学科学研究基金
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国家自然科学基金
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文献收藏号
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CSCD:2615290
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