prejudice
an unjustifiable attitude toward a group of people
discrimination
a behavior that treats one group of people differently from another group
stereotype
a generalized concept of a group if people
implict attitude
attitude that people hold that they are largely unware of or may not acknowledge
ingroup
people with whom we share a common identity
in-group bias
a tendency to favor our own group
outgroup
people perceived as different from us or not part of the group
out-group homogeneity bias
a tendency to perceive members of the outgroup as less diverse than members of the ingroup
just-world phenomenon
the tendency for people to believe that the world is fundamentally fair and that people generally get what they deserve, often leading individuals to blame victims of misfortune by assuming they must have done something to deserve their situation