Researchers find that people who spend more time watching television spend less time reading. (yeah, big surprise.) what kind of correlation does this study illustrate? ​

We are talking about a negative correlation, since the increase in one variable (time of watching TV) results in a corresponding decrease in the other variable (reading time). To know if it is a linear or curvilinear correlation, we need to have a deeper study of the variables, meanwhile, with the previous information we can suppose that it is linear.

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.

answer; analytical,creative and practical;