Jon- Your description of air and your definition of mixtures are good. However, we were asked why we believe that air is a mixture. In other words, we were asked for evidence. The sort of facts you cite were not discovered by reading textbooks but by doing real experiments.
Ingroup bias, sometimes known as in-group favoritism, in-groupâout-group bias or intergroup bias, refers to a pattern of favoring members of oneâs in-group over out-group members.This can be expressed in evaluation of others, allocation of resources and many other ways.ngroup bias, sometimes known as in-group favoritism, in-groupâout-group bias or intergroup bias, refers to a pattern of favoring members of oneâs in-group over out-group members.
The Psychology of Prejudice: An Overview. Prejudice is also closely connected to the way that ingroup and outgroup members explain each other's behavior. These explanations, known in psychology as causal attributions, are both a symptom and source of prejudice.ne study found, for example, that White students were more likely to interpret a shove as violent -- and more likely to explain it dispositionally -- when the shove came from a Black person than a White person (Duncan, 1976).