The American Polygraph Association and the National Research Council, as well as many psychologists, agree that polygraph lie detector tests are 80 percent accurate

Research seems to indicate that the breaking point for effective teams is this number of members

A) twelve B) six C) ten D) eight

What is the term for such words and sounds as "er," "you know," "okay," and "um"?

A) crutches B) vocalized pauses C) dialects D) slang expressions