If one’s behavior is expressed in a manner exceeding the boundaries of what a given society deems appropriate, one may be labeled abnormal on the basis of:

Norm Violation

Explanation:

When an individual exhibits certain behavior that does not conform to what the society sees as an acceptable way of acting, an abnormality is said to have occurred. Different societies have different ways they expect people to behave. For example, in certain countries in Europe, people are expected to stay on queue when waiting for buses and in supermarkets when they want to make payments. Everyone is expected to confirm to this social act.

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.