When Muter (1980) Used the Petersons' Procedure but Introduced an Unexpected

Multiple Choice

When Muter (1980) used the Petersons' procedure but introduced an unexpected distraction task, he found that the duration of working memory was

A) longer than in the Petersons' study.
B) about the same as in the Petersons' study.
C) shorter than in the Petersons' study.
D) was so great that it was akin to long-term memory.
E) variable, depending on the relevance of the distraction.