Absence of a redundant-signals effect in a reaction time task with divided attention.

@article{Grice1984AbsenceOA,
  title={Absence of a redundant-signals effect in a reaction time task with divided attention.},
  author={G R Grice and Leigh Canham and Jean Gwynne},
  journal={Perception & psychophysics},
  year={1984},
  volume={36 6},
  pages={565-70}
}