Professor Thames Tried to Use a Guttman Scale on His

Multiple Choice

Professor Thames tried to use a Guttman scale on his data set that he had seen published in a major journal. Thames was upset because the items did not form a Guttman scale on his data. Confused, he asked for your help. You should tell him that:

A) the article that appeared in the journal was probably an error.
B) he should recheck his scaling techniques because he probably made an error.
C) items may form a Guttman scale in one sample but not in another.
D) it was probably not a very good scale.
E) a Guttman scale can only be used in a univariate analysis.