If a new machine was developed that picked coffee beans twice as fast as is currently possible, what would you expect to happen to the price of coffee question 4 options: the price would increase to pay for the new machinery. the price would decrease because there would be more coffee available. the price would increase due to greater demand for coffee picked this way. the price would decrease because fewer would want coffee picked by a machine.

the price would decrease because there is more coffee available

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.