Arousal and context best describe Schachter and Singer's theory of emotion

Approximately how many children were hospitalized because of shaken baby syndrome in the U.S. in 2004?

one in five two in five one in ten one in fifteen

One of the key factors of Sperling's experiment was that

a. participants knew which row of the matrix to recall before the material was presented. b. participants knew which row of the matrix to recall only after the material was presented. c. the tone was presented simultaneously with the material to be recalled. d. some participants were allowed to view the material to be recalled longer than the other participants. e. some participants were asked to recall letters following a high-pitched tone and some following a low-pitched tone.