What Have Researchers Concluded from Studies of Speech Errors in the Laboratory

Multiple Choice

What have researchers concluded from studies of speech errors in the laboratory?

A) the planning process in language production tends to stay one word ahead of the spoken utterance.
B) there may be mental processes that detect and edit potential speech errors.
C) errors involving blends of words are less common than predicted.
D) spoonerisms are less likely when the error will result in a real word.