Testing Evidence Accrual Models by Manipulating Stimulus Onset.
Testing Evidence Accrual Models by Manipulating Stimulus Onset.
复制标题
通过操纵刺激开始来测试证据应计模型。
DOI：
10.1006/jmps.2000.1319
复制
发表时间：
2001
影响因子：
1.8
通讯作者：
Jeffrey N. Rouder
中科院分区：
文献类型：
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作者：
Jeffrey N. Rouder
反应时间的许多模型假设受试者在时间上积累刺激“证据”样本（例如，随机游走模型、计数器模型）。本文利用一种刺激支配另一种刺激的概念，构造了一类证据积累模型的检验。对于优势的一个例子，考虑刺激，无论是几乎瞬间（步进）或在一个逐渐增加的方式（斜坡）。呈现倾斜刺激，使得倾斜部分在阶梯式刺激的阶梯式开始之前。在这种情况下，斜坡刺激支配阶跃刺激。本文对证据积累模型类进行了形式化描述。结果表明，在适当的假设下，证据应计模型预测更准确的反应占主导地位的刺激。然而，这一结果并不适用于响应延迟。有异常的情况下，证据累积模型（累积器模型的维克斯（1970年，人机工程学13，37-58））预测较慢的平均正确反应延迟主导刺激。通过大量的计算机模拟表明，这些异常的情况下，只有当响应标准是如此不对称，有非常极端的响应偏差发生。对于反应偏差不是非常极端的实验，随机游走和累加器模型预测更准确和更快的正确反应占主导地位的刺激。总之，操纵的时间过程中的刺激，根据优势的概念，可以提供实证检验的证据应计模型的类。版权所有2001学术出版社。
Many models of response time assume that subjects accrue stimulus "evidence" samples in time (e.g., random walk models, counter models). In this paper, the concept of one stimulus dominating another is used to construct a test of the whole class of evidence accrual models. For an example of dominance, consider stimuli that are presented either virtually instantaneously (stepped) or in a gradually increasing manner (ramped). Ramped stimuli are presented such that the ramped portion precedes the stepped onset of stepped stimuli. In this case ramped stimuli dominate stepped stimuli. In this paper the class of evidence accrual models is formalized. It is shown that under appropriate assumptions evidence accrual models do predict more accurate responses to dominating stimuli. However, this result does not hold for response latencies. There are anomalous cases where an evidence accrual model (the accumulator model of Vickers (1970, Ergonomics 13, 37-58)) predicts slower mean correct response latencies to dominating stimuli. It is shown through extensive computer simulation that these anomalous cases occur only when response criteria are so asymmetric that there are exceedingly extreme response biases. For experiments where response biases are not exceedingly extreme, random walk and accumulator models predict more accurate and quicker correct responses to dominating stimuli. In sum, manipulating the time course of stimuli in accordance with the concept of dominance can provide empirical tests of the class of evidence accrual models. Copyright 2001 Academic Press.
评估变化辨别和亮度整合的作用：亮度辨别中感知决策的混合种族模型的证据。
DOI：
--
发表时间：
2000
期刊：
Journal of experimental psychology. Human perception and performance.
影响因子：
--
作者：
Rouder,JN
通讯作者：
Rouder,JN
影响因子：
5.4
作者：
Ratcliff, R;Van Zandt, T;McKoon, G
通讯作者：
McKoon, G