Sociology statistics question! Creating a study guide

The ________ the index score, the more the respondent agrees with a given and tested topic.
A.higher    
B.lower    
C.wider    
D.more frequent    
The ________ the index score, the less the respondent agrees with a given and tested topic.
A.higher    
B.less frequent    
C.lower    
D.more frequent    
Select all that apply to the following statement: "an index is _______".
A. a form of a composite measure.    
B. include multiple dimensions of the subject under study.    
C. composed of more than one indicator of the variable under study.    
D. tap into greater range of variation between the extremes of a variable.    

When defining a variable for an index, you will set the decimals to ____.
A.0    
B.1    
C.2    
D.3