An hourly variation in zoo visitor interest: measurement and significance for animal welfare research.

@article{Davey2006AnHV,
  title={An hourly variation in zoo visitor interest: measurement and significance for animal welfare research.},
  author={Gareth I. J. Davey},
  journal={Journal of applied animal welfare science : JAAWS},
  year={2006},
  volume={9 3},
  pages={249-56}
}
A methodological difficulty facing welfare research on nonhuman animals in the zoo is the large number of uncontrolled variables due to variation within and between study sites. Zoo visitors act as uncontrolled variables, with number, density, size, and behavior constantly changing. This is worrisome because previous research linked visitor variables to animal behavioral changes indicative of stress. There are implications for research design: Studies not accounting for visitors' effect on… CONTINUE READING

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