Using Mental Transformation Strategies for Spatial Scaling: Evidence From a Discrimination Task
Using Mental Transformation Strategies for Spatial Scaling: Evidence From a Discrimination Task
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DOI：
10.1037/xlm0000240
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发表时间：
2016-09-01
影响因子：
2.6
通讯作者：
Frick, Andrea
中科院分区：
文献类型：
--
作者：
Moehring, Wenke;Newcombe, Nora S.;Frick, Andrea
空间缩放，或理解不同大小空间中的距离如何相互关联，是许多空间任务的基础，也与许多职业的成功相关。先前的研究表明，成年人使用心理转换策略来心理缩放空间输入，如响应时间和精度的线性增加所示。然而，先前的研究没有考虑到在较小空间内编码空间信息可能存在的困难。因此，本研究使用了一个歧视的任务，我们系统地坑绝对大小的空间对缩放幅度。成人（N = 48）在计算机显示器上并排显示2张图片，每张图片包含一个目标。成年人被要求通过按下相应的电脑键来判断目标是否处于相同的位置。在恒大条件下，恒定空间保持较大，而另一个空间的大小是可变的，并且较小。在常小条件下，恒定空间很小，而另一个空间的大小是可变的，而且更大。无论条件，成年人的歧视性能（d-素数）和响应时间的线性函数的缩放幅度，支持的概念，模拟图像策略用于空间缩放。
Spatial scaling, or an understanding of how distances in different-sized spaces relate to each other, is fundamental for many spatial tasks and relevant for success in numerous professions. Previous research has suggested that adults use mental transformation strategies to mentally scale spatial input, as indicated by linear increases in response times and accuracies with larger scaling magnitudes. However, prior research has not accounted for possible difficulties in encoding spatial information within smaller spaces. Thus, the present study used a discrimination task in which we systematically pitted absolute size of the spaces against scaling magnitude. Adults (N = 48) were presented with 2 pictures, side-by-side on a computer display, each of which contained a target. Adults were asked to decide whether the targets were in the same position or not, by pressing the respective computer key. In the constant-large condition, the constant space was kept large, whereas the size of the other space was variable and smaller. In the constant-small condition, the constant space was small, whereas the size of the other space was variable and larger. Irrespective of condition, adults' discrimination performance (d-primes) and response times were linear functions of scaling magnitude, supporting the notion that analog imagery strategies are used in spatial scaling.