Concurrent-schedule performance in dairy cows: persistent undermatching

Journal of the Experimental Analysis of Behavior
T M FosterA Poling

Abstract

Performance of dairy cows responding under concurrent variable-interval variable-interval schedules of food delivery was examined, with results analyzed in terms of the generalized matching equation. In Experiment 1, bias measures indicated that crushed barley was preferred over meatmeal when these foods were available under the alternative schedules. For whole-session data, substantial undermatching of response and time-allocation ratios to obtained reinforcement ratios was evident. Postreinforcement pause time ratios approximately matched obtained reinforcement rates. Subtracting these times from total time-allocation values yielded net time-allocation ratios that undermatched obtained reinforcement ratios to a greater degree than did whole-session time-allocation ratios. In Experiment 2, substantial undermatching was evident when the same foods (hay for 2 cows, crushed barley for 2 others) were available under the alternative schedules. Food-related activities and other defined behavior not related to food were quantified by direct observation, and were found to occupy a substantial proportion (roughly 40% to 80%) of experimental sessions. Subtracting the time spent in these activities from the time allocated to each compone...Continue Reading

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Citations

Jul 13, 2001·Nature·V R Baker
Mar 30, 2007·Journal of Neural Transmission·J V Jacobs, F B Horak
Oct 9, 2002·Perceptual and Motor Skills·Raymond K Y Chong, Manh Cuong Do
Oct 18, 2013·Experimental Brain Research·D Joseph JilkLena H Ting
Jul 17, 2001·Journal of the Experimental Analysis of Behavior·T W Belke, J Belliveau
Aug 12, 2003·Journal of the Experimental Analysis of Behavior·Angela BronWilliam Temple
Apr 1, 1998·The Behavior Analyst·G J MaddenJ H Joyce
Oct 1, 1997·The Behavior Analyst·T M FosterA Poling
Jan 1, 1996·Journal of the Experimental Analysis of Behavior·T M McAdieW Temple
Oct 9, 2020·Perspectives on Behavior Science·Erin B RasmussenEthan Hemmelman
Feb 23, 2021·Trends in Cognitive Sciences·Alasdair I HoustonJohn M McNamara

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