Amother takes her 4-year-old child to the playground. the child becomes aggressive and refuses to play or interact with other children. what is the temperament of the child according to the longitudinal study of psychiatrists stella chess and alexander thomas

According to the longitudinal study of psychiatrists stella chess and alexander thomas the temperament of a child is difficult.

Explanation:

What is meant by a difficult child?

These are the children who act out unexpectedly or do something out of the norms and leave their parents wondering what has happened.

The children who suddenly act our and does something that is unacceptable or not considered normal out of the blue, they are stubborn, agresssive,loud and hyperactive.

At the same time they may also show extreme opposite emotions such as being clingy ,whiny ,shy picky and difficult to put to sleep.

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.