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Representativeness of direct observations selected using a work‐sampling equation

Sharp, R.A. and Mudford, O.C. and Elliffe, D. (2015) Representativeness of direct observations selected using a work‐sampling equation. Journal of Applied Behavior Analysis, 48 (1). pp. 153-166. DOI: 10.1002/jaba.193

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Abstract

Deciding on appropriate sampling to obtain representative samples of behavior is important but not straightforward, because the relative duration of the target behavior may affect its observation in a given sampling interval.Work-sampling methods, which offer a way to adjust the frequency of sampling according to a priori or ongoing estimates of the behavior to achieve a preselected level of representativeness, may provide a solution. Full-week observations of 7 behaviors were conducted for 3 students with autism spectrum disorder and intellectual disabilities.Work-sampling methods were used to select momentary time samples from the full time-of-interest, which produced representative samples. However, work sampling required impractically high numbers of time samples to obtain representative samples. More practical momentary time samples produced less representative samples, particularly for low-duration behaviors. The utility and limits of worksampling methods for applied behavior analysis are discussed.

Item Type: Article
Subjects: Research Publications
Departments: College of Health and Behavioural Sciences > School of Psychology
Date Deposited: 19 May 2015 02:18
Last Modified: 24 Nov 2015 04:26
ISSN: 0021-3703
URI: http://e.bangor.ac.uk/id/eprint/4556
Identification Number: DOI: 10.1002/jaba.193
Publisher: Wiley Online Library
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