Professor Thames used a Guttman scale on his data set that he had seen published in a major journal.Thames was upset because the items did not 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 data but not in another.
D)it was probably not a very good scale.
E)the article that appeared in the journal was probably in error and therefore it was probably not a very good scale.

Question

Quizplus · Accepted Answer

It is possible for items to form a Guttman scale in one dataset but not in another because the scaling may depend on the specific characteristics of the sample being used. Therefore, Thames should consider this possibility before drawing any conclusions about the published scale.

Professor Thames Used a Guttman Scale on His Data Set