In their study of low-target prevalence searches, Wolfe, Horowitz, & Kenner found that (incorrect) target-absent responses on critical (target present) trials were _____ target-present responses on these trials.
a) faster than
b) slower than
c) made with about the same speed as
d) Participants never made target absent responses on critical trials.
Question 2
Evidence indicates that ________ is a stimulus characteristic that invokes pre-attentive detection.
a) shape
b) brightness
c) loudness
d) color