Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Educational Studies Sociology of education
Who has classified social groups as ‘In-group’ and ‘out-group’ ?
1
R.M. Morton
2
R.K. Merton
3
W.G. Summer
4
More than one of the above
5
None of the above