Q 76

________ is an MDS technique for scaling qualitative data that scales the rows and columns of the input contingency table in corresponding units so that each can be displayed in the same low-dimensional space.
A)Metric analysis of preferences
B)Correspondence analysis
C)Internal analysis of preferences
D)External analysis of preferences

Q 77

Which statement is true about correspondence analysis?
A)The interpretation of results is similar to that in chi-square analysis.
B)An advantage over other MDS techniques is that it reduces the data collection demands put on the respondents because only interval or ratio data are obtained.
C)A disadvantage is that between-set distances cannot be meaningfully interpreted.
D)All of the statements are true.

Q 78

Which statement is true about using factor analysis to create spatial maps?
A)By factor analyzing the data obtained using attribute-based approaches, one could derive, for each respondent, n factor scores for each factor, one for each brand.
B)The dimensions would be labeled by examining the eigenvalues.
C)Discriminant weights can be used to label the dimensions.
D)Both A and B are correct.