Department of Psychology, George Washington University, 2125 G Street N.W., Washington, DC 20052, USA.
Behav Res Methods. 2010 Feb;42(1):148-60. doi: 10.3758/BRM.42.1.148.
Blindwalking has become a common measure of perceived absolute distance and location, but it requires a relatively large testing space and cannot be used with people for whom walking is difficult or impossible. In the present article, we describe an alternative response type that is closely matched to blindwalking in several important respects but is less resource intensive. In the blindpulling technique, participants view a target, then close their eyes and pull a length of tape or rope between the hands to indicate the remembered target distance. As with blindwalking, this response requires integration of cyclical, bilateral limb movements over time. Blind-pulling and blindwalking responses are tightly linked across a range of viewing conditions, and blindpulling is accurate when prior exposure to visually guided pulling is provided. Thus, blindpulling shows promise as a measure of perceived distance that may be used in nonambulatory populations and when the space available for testing is limited.
盲目行走已成为一种常见的感知绝对距离和位置的方法，但它需要相对较大的测试空间，并且不能用于行走困难或不可能的人。在本文中，我们描述了一种替代的反应类型，这种反应在几个重要方面与盲目行走非常匹配，但资源密集度较低。在盲目拉动技术中，参与者先观察一个目标，然后闭上眼睛，双手之间拉动一段胶带或绳子，以指示记忆中的目标距离。与盲目行走一样，这种反应需要随着时间的推移整合周期性的、双边的肢体运动。在各种观察条件下，盲目拉动和盲目行走的反应紧密相连，并且在提供了先前的视觉引导拉动的情况下，盲目拉动是准确的。因此，盲目拉动有望成为一种感知距离的测量方法，可用于非活动人群以及测试空间有限的情况下。
