In the Context of the Critical Trial of Inattentional Blindness

Multiple Choice

In the context of the critical trial of inattentional blindness conducted by Mack and Rock (1998) , the participants who stated which arm of the cross was longer were asked if they had seen anything in the display other than the large cross. Between 60 percent and 80 percent of the participants indicated that they:

A) did not see the critical stimulus.
B) saw a small shape unexpectedly appear at the fixation point.
C) could not accurately judge the lengths of the arms.
D) did not hear the message in the unattended ear.