Time uncertainty, number of alternatives and particular signal-response pair as determinants of choice reaction time: Attention and Performance III

@inproceedings{Iscoa1970TimeUN,
  title={Time uncertainty, number of alternatives and particular signal-response pair as determinants of choice reaction time: Attention and Performance III},
  author={Jes{\'u}s Alegr{\'i}a Iscoa and Paul Bertelson},
  year={1970}
}
The problem was to know if time uncertainty and number of choices affect the same or separate components of RT. In exp. 1; 2-, 4- and 8-choice RTs were measured in the same Ss under two warning conditions, constant foreperiods of either 0.5 or 5.0 sec. Two groups of Ss had different sub-sets of the 8 signal-response pairs for the 2- and 4-choice tasks. Time-uncertainty was found to interact with number of alternatives in one group not in the other. Closer inspection of the data showed that it… CONTINUE READING

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