Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/21080
Title: Examining the effect of reinforcement on behaviour variability over multiple dimensions in humans
Contributor(s): Kong, Xiuyan (author); McEwan, James S (author); Foster, T Mary (author); Bizo, Lewis (author)
Publication Date: 2012
Handle Link: https://hdl.handle.net/1959.11/21080
Abstract: The independence of dimensions of operant responses by humans was investigated in two experiments using a computerized rectangle drawing task from Ross and Neuringer (2002). Variability on the dimensions of area, shape and location was required for reinforcement for one group (VAR); and variability was not required for the other (YOKE). For all three dimensions, U-values, a measure of variability, were higher for the VAR group than for YOKE group; and the number of trials that met the criteria for reinforcement was higher for the VAR group than for the YOKE group. In Experiment 2, reinforcement was contingent on variability on two dimensions regardless of variability on the third. Participants were divided into three groups; each group had one dimension that was not required to vary. U-values were higher for dimensions when reinforcement was contingent on varying shape and location, or area and location. However, U-values did not differ significantly across dimensions when reinforcement was contingent on varying just area and shape. The results of Experiment 1 and 2 are broadly consistent with those of Ross and Neuringer (2002). The importance of orthogonality of dimensions on this task will be discussed.
Publication Type: Conference Publication
Conference Name: 9th Annual Conference of the New Zealand Association for Behaviour Analysis, Wellington, New Zealand, 1st - 2nd September, 2012
Conference Details: 9th Annual Conference of the New Zealand Association for Behaviour Analysis, Wellington, New Zealand, 1st - 2nd September, 2012
Source of Publication: New Zealand Association for Behaviour Analysis 9th Annual Conference Programme, p. 11-11
Publisher: New Zealand Association for Behaviour Analysis (NZABA)
Place of Publication: Auckland, New Zealand
Field of Research (FOR): 170299 Cognitive Sciences not elsewhere classified
170199 Psychology not elsewhere classified
170112 Sensory Processes, Perception and Performance
HERDC Category Description: E3 Extract of Scholarly Conference Publication
Other Links: https://nzaba.files.wordpress.com/2012/08/complete-programme-nzaba2012.pdf
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