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 a series of items designed to assess attitudes toward education.In the index
SA=strongly agree,A=agree,U=undecided,
D=disagree,and SD=strongly disagree
1) A MAN CAN LEARN MORE BY WORKING FOUR YEARS THAN BY GOING TO SCHOOL.
SA(5) A(4) U(3) D(2) SD(1)
2) THE MORE EDUCATION A MAN HAS,THE BETTER HE IS ABLE TO ENJOY LIFE.
SA(1) A(2) U(3) D(4) SD(5)
3) EDUCATION HELPS A PERSON TO USE HIS LEISURE TIME TO BETTER ADVANTAGE.
SA(1) A(2) U(3) D(4) SD(5)
4) EDUCATION IS OF NO HELP IN GETTING A JOB TODAY.
SA(5) A(4) U(3) D(2) SD(1)
These items illustrate a ____ question format:

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