Children's use of everyday artifacts: Learning the hidden affordance of zipping.
Children's use of everyday artifacts: Learning the hidden affordance of zipping.
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DOI：
10.1002/dev.22049
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发表时间：
2021-05
影响因子：
2.2
通讯作者：
Adolph KE
中科院分区：
文献类型：
--
作者：
Rachwani J;Kaplan BE;Tamis-LeMonda CS;Adolph KE
日常生活中充斥着需要特定运动动作才能按照设计师的意图使用物体的人工制品。但研究人员对儿童如何学习使用日常物品知之甚少。我们鼓励44名12- 60个月大的儿童在一次60岁的试验中解开乙烯袋。虽然解开邮袋似乎很简单，但事实并非如此。拉开拉链需要精确的角色区分双手行动一只手必须稳定的邮袋，而另一只手适用于标签上的拉力。此外，来自6名成人的运动学数据表明，施加力的公差限值相对较窄（在拉链齿的63°范围内拉动拉片，同时将袋稳定在滑块的4 cm范围内）。儿童在拉开拉链的动作上表现出与年龄相关的进展。年龄最小的儿童没有显示出设计的拉动动作;中等年龄的儿童拉动了翼片，但施加的力超出了公差范围（沿错误的方向拉动，未能将包装袋稳定在正确的位置），年龄最大的儿童成功执行了设计的动作。研究结果突出了儿童的发现和实施的日常文物隐藏的启示的感知电机的要求。
The everyday world is populated with artifacts that require specific motor actions to use objects as their designers intended. But researchers know little about how children learn to use everyday artifacts. We encouraged forty-four 12- to 60-month-old children to unzip a vinyl pouch during a single 60-s trial. Although unzipping a pouch may seem simple, it is not. Unzipping requires precise role-differentiated bimanual actions—one hand must stabilize the pouch while the other hand applies a pulling force on the tab. Moreover, kinematic data from six adults showed that the tolerance limits for applying the forces are relatively narrow (pulling the tab within 63° of the zipper teeth while stabilizing the pouch within 4 cm of the slider). Children showed an age-related progression for the unzipping action. The youngest children did not display the designed pulling action; children at intermediate ages pulled the tab but applied forces outside the tolerance limits (pulled in the wrong direction, failed to stabilize the pouch in the correct location), and the oldest children successfully implemented the designed action. Findings highlight the perceptual-motor requirements in children’s discovery and implementation of the hidden affordances of everyday artifacts.
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影响因子：
2.1
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