The Following Items and Scoring Scheme Were Taken from the Minnesota

The following items and Scoring scheme were taken from the Minnesota Survey of Opinions.The four items were part of an index designed to assess attitudes toward education.In the index
1 A man can learn more by working four years than by going to school,
$\begin{array} { l l l l l } \text { SA5 } 54 & \text { A } 4 & \text { D } 2 & \text { SD } 1 \end{array}$
2 The more education a man has the better he is able to enjoy life.
$\begin{array} { l l l l l } \text { SA } 1 & \text { A } 2 & \text { U } 3 & \text { D } 4 & \text { SD } 5 \end{array}$
3 Education helps a person to use his leisure time to better advantage.
$\begin{array} { l l l l l } \text { SA } 1 & \text { A } 2 & \text { U } 3 & \text { D } 4 & \text { SD } 5 \end{array}$
4 Education is of no help in getting a job today.
$\begin{array} { l l l l l } \text { SA } 5 & \text { A } 4& \text { U } 3 & \text { D } 2 & \text { SD }1 \end{array}$

A) Likert scale.
B) Thurstone scale.
C) Guttman scale.
D) semantic differential scale.
E) Bogardus social distance scale.