George Sperling Conducted a Study in Which He Varied the Interval

Multiple Choice

George Sperling conducted a study in which he varied the interval between the presentation of a letter matrix and an auditory recall cue.Sperling measured the proportion of letters participants could recall from the matrix.Which statement regarding this study is TRUE?

A) A graph of the results of this study would show the accuracy of recall on the x-axis.
B) The interval between the matrix and the cue is a dependent variable.
C) The best performance was found for the longest cue delays.
D) The matrix was composed of 24 letters.