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An empirical evaluation of instantaneous and one-zero sampling of chimpanzee behavior

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Abstract

The behavior category in progress at theend of every 15 seconds of observation of chimpanzee behavior was recorded (instantaneous sampling) as was the occurrence or nonoccurrence of all defined categoriesduring every 15 second observation interval (one-zero sampling). The scores obtained using the above procedures were then correlated with the percent of net observation time, hourly rate, and mean bout duration of the behavior categories. One-zero sampling scores correlated very strongly with percent of net observation time and moderately with hourly rate and mean bout duration. Instantaneous sampling scores correlated very strongly with percent of net observation time and moderately with hourly rate and mean bout duration.

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Author notes

  1. Daniel W. Leger

    Present address: Department of Psychology, University of California, 95616, Davis, CA, USA

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    1. Daniel W. Leger
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    Additional information

    This research was conducted while the author held a University of California Regents Fellowship. The author wishes to thankJacqueline Leger for valuable assistance; Dr.Ramon J.Rhine for criticisms of the manuscript and Dr.Pat McGinnis andPalmer Midgett for extensive technical help.

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    Leger, D.W. An empirical evaluation of instantaneous and one-zero sampling of chimpanzee behavior. Primates 18, 387–393 (1977). https://doi.org/10.1007/BF02383116

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    • DOI: https://doi.org/10.1007/BF02383116

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