Match List I correctly with List II and select your answer using the codes given below :

List I	List II
a) Chi-square test	1. Factor analysis
b) Mann-Whitney test	2. k-samples test
c) Eigenvalue	3. two samples test
d) Kruskal-Wallis test	4. one sample test

Delinquency can be viewed in terms of

Independent variable that the researcher does not manipulate is called

A categorical variable is one

The technique which reduces heart rate, skin conductance, muscle tension, B.P., Inflammatory process, lipid level nursery utilisation, self-report of anxiety and tension is

In selection process which tests yield validity superior to other tests