Interactive effects on reaction time of preparatory interval length and preparatory interval frequency.

Time uncertainty in simple reaction time.

1956 • 307 citations

Reaction time as a function of foreperiod duration and variability.

1959 • 215 citations

Simple reaction time as a function of the relative frequency of the preparatory interval.

1966 • 63 citations

Development of readiness to respond during short foreperiods.

1966 • 35 citations