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Vasconcelos, Marco; Urcuioli, Peter J. – Journal of the Experimental Analysis of Behavior, 2009
Zentall and Singer (2007a) hypothesized that our failure to replicate the work-ethic effect in pigeons (Vasconcelos, Urcuioli, & Lionello-DeNolf, 2007) was due to insufficient overtraining following acquisition of the high- and low-effort discriminations. We tested this hypothesis using the original work-ethic procedure (Experiment 1) and one…
Descriptors: Ethics, Enrollment, Evaluation Methods, Animals
Pedersen, Helena – Canadian Journal of Environmental Education, 2011
This article seeks to contribute to the idea of "posthumanist education" by unfolding an educational situation where an assemblage of two humans and 33 former battery hens is gathered to carry out a so-called cognitive bias experiment for two days. A Deleuzian repertoire is set in motion to configure the dynamics of hens intervening in…
Descriptors: Foreign Countries, Environmental Education, Educational Principles, Critical Theory