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时间抽样方法:对瞬时时间抽样和部分区间记录的重新评价。

Methods of time sampling: A reappraisal of momentary time sampling and partial interval recording.

机构信息

Liverpool Polytechnic.

出版信息

J Appl Behav Anal. 1986 Spring;19(1):73-7. doi: 10.1901/jaba.1986.19-73.

Abstract

We compared the accuracy of momentary time sampling (MTS) and partial interval recording (PIR) in estimating both absolute behavioral levels and relative change. A computer randomly generated runs of pseudobehavior varying in duration and rate and simulated MTS and PIR of each run. Results indicated that when estimating absolute behavioral levels, duration rather than rate should be used as the dependent measure, and MTS is more accurate than PIR. In contrast, PIR is the more sensitive method for detecting relative changes in behavioral levels, although, at high rates, PIR tends to underestimate the degree of change.

摘要

我们比较了瞬时时间采样(MTS)和部分区间记录(PIR)在估计绝对行为水平和相对变化方面的准确性。计算机随机生成持续时间和速率变化的伪行为序列,并模拟了每种运行的 MTS 和 PIR。结果表明,当估计绝对行为水平时,应将持续时间而不是速率作为因变量,MTS 比 PIR 更准确。相比之下,PIR 是检测行为水平相对变化更敏感的方法,尽管在高速率下,PIR 往往会低估变化程度。

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