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. Author manuscript; available in PMC: 2011 Jan 26.
Published in final edited form as: Curr Biol. 2010 Jan 14;20(2):121. doi: 10.1016/j.cub.2009.11.066

Figure 1. Experiment One: Very high prevalence elevates false alarms and target absent RTs.

Figure 1

Fig 1a: False alarm and miss error rates as a function of target prevalence (50% and 98%), Fig. 1b: Signal detection measures: Average sensitivity (d′) and criterion (c ) values. Fig 1c: Average reaction time (RT) for correct target present (hit) and absent