If you designed an analytic study that investigated the number of deaths that resulted from accidents involving distracted drivers, the would measure the strength of the association between distracted driving behaviors (texting while driving, cell phone use while driving, eating while driving, etc and vehicular deaths.

The answer that best fits the blank provided above is the term PERSON CORRELATION COEFFICIENT. This should be the applicable tool since we are investigating the relationship between texting while driving and distraction-related car accidentS. Hope this answers your question.

the first one is d and the second a

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.