Switching between simple cognitive tasks: the interaction of top-down and bottom-up factors.

@article{Ruthruff2001SwitchingBS,
  title={Switching between simple cognitive tasks: the interaction of top-down and bottom-up factors.},
  author={Eric Ruthruff and Roger W. Remington and James C. Johnston},
  journal={Journal of experimental psychology. Human perception and performance},
  year={2001},
  volume={27 6},
  pages={1404-19}
}
How do top-down factors (e.g., task expectancy) and bottom-up factors (e.g., task recency) interact to produce an overall level of task readiness? This question was addressed by factorially manipulating task expectancy and task repetition in a task-switching paradigm. The effects of expectancy and repetition on response time tended to interact underadditively, but only because the traditional binary task-repetition variable lumps together all switch trials, ignoring variation in task lag. When… CONTINUE READING
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