阶梯法：一种新的自适应心理物理学程序。
The step method: a new adaptive psychophysical procedure.
作者信息
Simpson W A
出版信息
Percept Psychophys. 1989 Jun;45(6):572-6. doi: 10.3758/bf03208065.
PMID:2740198
Abstract
A new adaptive psychophysical method, the step method, is introduced. Simulations show the method to be less biased and more efficient than constant stimuli or Pentland's adaptive method for fewer than 40 trials. An experiment using discrimination of dot number, however, failed to find any differences among the three methods in either bias or efficiency.
摘要
介绍了一种新的自适应心理物理学方法——阶梯法。模拟结果表明，在少于40次试验的情况下，该方法比恒定刺激法或彭特兰自适应法偏差更小、效率更高。然而，一项使用点数辨别任务的实验未能发现这三种方法在偏差或效率上存在任何差异。
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