Measures of activity in captive monkey groups |
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Authors: | James A Martenson Jr Michael Oswald J Erwin |
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Institution: | (1) c/o Primate Information Center, Regional Primate Research Center, University of Washington, 98195 Seattle, Washington, USA |
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Abstract: | Two measures of group activity were assessed using 14 captive groups of pigtail monkeys (M. nemestrina). Absolute frequencies of movement of individuals (a direct measure of activity) was used as a criterion in the evaluation
of a sampling technique (an indirect measure of activity). The indirect measure involved monitoring the frequency of movement
of individuals past a fixed point in the environment. The indirect measure correlated highly with the criterion measure (r=.91). use of indirect measures of activity such as the one described here can increase the efficiency of data collection
by allowing observers sufficient time to monitor a greater range of behaviors. However, sampling techniques should be carefully
evaluated in an appropriate context before they are adopted for general use.
This project was supported in part by each of the following grants: an intramural grant from the University’s Innovative Fund
for under-graduate education to the Department of Psychology, and USPHS/NIH grants RR00166 to the Regional Primate Research
Center, and HD08633, toGene P. Sackett, Child Development and Mental Retardation Center, University of Washington. |
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