William Graham Sumner identified two distinct types of groups, ...

[lidoalex]

William Graham Sumner identified two distinct types of groups, depending on membership and affinity (feeling more or less positively toward the group). These two types of groups are
 
  A) Primary and secondary groups
  B) Reference groups and cliques
  C) In-groups and out-groups
  D) Homogeneous and heterogeneous groups

Question 2

In Western societies, group members often recognize __________ among members of their own group, and assume __________ among members of an out-group.
 
  A) Heterogeneity, homogeneity
  B) Similarities, differences
  C) Homogeneity, heterogeneity
  D) similarities, individuality

[brittanywood]

Answer to Question 1

Answer: C

Answer to Question 2

C

[lidoalex]

Thank you

[brittanywood]

Happy to help you