How did Sperling's study establish that the length of iconic memory was about half a second?
A) He found that participants could report about half of a grid of 12 letters flashed for half a second.
B) He found that participants could report any stimulus in their visual field that was presented for at least half a second.
C) He found that participants could report stimuli in their dominant visual field for up to half a second.
D) He found that participants could report any stimulus flashed in their visual field if cued to do so within half a second.

Question

Quizplus · Accepted Answer

Sperling's study demonstrated that participants could recall any row of letters from a briefly flashed grid if they were prompted by a tone to recall that specific row immediately after the grid was shown. This indicated that the information was available in iconic memory for a short duration, about half a second, before fading, unless attention was directed to it.

How Did Sperling's Study Establish That the Length of Iconic