If a child is reluctant to try a new food, it is best to
(a) send the child to his/her room.
(b) withhold dessert until all food on the plate is eaten.
(c) quietly remove it and present it again at another time.
(d) encourage other family members to coax the child to eat it.

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.

this can !    

- jack watson

f 5 , h

answer; biological;