Within-subjects experiments on blocking and facilitation in honeybees (Apis mellifera).

@article{Blaser2008WithinsubjectsEO,
  title={Within-subjects experiments on blocking and facilitation in honeybees (Apis mellifera).},
  author={Rachel E. Blaser and P. A. Couvillon and Michael Bitterman},
  journal={Journal of comparative psychology},
  year={2008},
  volume={122 4},
  pages={373-8}
}
It has long been suspected in the vertebrate literature, but demonstrated only recently in work with honeybees (Apis mellifera), that the different treatments of nontarget stimuli in conventional between-groups blocking experiments may give the appearance of blocking independently of experience with the target stimulus. The same difficulty does not arise in within-subjects experiments, and in a series of such experiments with odors and colors free-flying honeybees gave no evidence of blocking… CONTINUE READING