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:

A) the article that appeared in the journal was probably in 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) none of these choices