People tend to believe members of an ingroup are and members of an outgroup are

The answers are different from each other, similar to each other. n sociology and social psychology, an in-group is a social group to which a person psychologically identifies as being a member. By contrast, an outgroup is a social group with which an individual does not identify.

The correct answer for the first blank space is "normal".

The correct answer for the second blank space is: "strange".

In sociology, an "ingroup" is a group of people who normally share the same background and beliefs. It is motivated by a particular set of goals or shares the same vision. On the other hand, an "outgroup" is considered to be all of the other groups of people to whom which the individual is not identified with.