What does the following definition describe? 'the division of an audience into groups of who they are and what they like, with a goal of identifying a group most interested in your product/service.'

The correct answer is Market Segmentation

Explanation:  Market segmentation is a process of dividing your audience into different groups and segments based on certain characteristics. The member of these groups shares similar characteristics and usually has one or more of a common aspect between them.

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.

the correct answer is "hematoma formation, with ligaments that are stretched, partially, of fully torn" ankle sprain are produced by an injury to the tough bands of tissue (ligaments) that surround and connect the bones of the leg to the foot. this causes several damage to the ankle including hematoma formation and ligament injury .