We tend to perceive the members of an ingroup as and the members of an outgroup as a. different from one another; similar to one another b. above average in ability; below average in ability c. below average in ability; above average in ability d. similar to one another; different from one another

D. similar to one another; different from one another

Explanation:

An ingroup is a group a person thinks as part of it and identify with it and an outgroup is a group someone doesn't identify with. According to this, we tend to perceive the members of an ingroup as similiar to one another and the members of an outgroup as different from one another.

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

1. senate

2.there is no diagram

3.education